Choose a country from the list to get relevant information:
In Canada, there are 6 time zones:
For comparing the current time in Canada and United Kingdom or any other country combination, visit time comparison. For an introduction to UTC and world time, read UTC by country. Time changes in Canada are shown below by city, state or region.
| Regions | Standard Time | Daylight Saving Time | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Time zone | 2016 | 2017 | 2018 | Time zone | 2016 | 2017 | 2018 | |||
| Eastern Standard Time EST (UTC-05) | Sa, Nov 5. 11:00 PM | Sa, Nov 4. 11:00 PM | Sa, Nov 3. 11:00 PM | Eastern Daylight Time EDT (UTC-04) | Sa, Mar 12. 11:00 PM | Sa, Mar 11. 11:00 PM | Sa, Mar 10. 11:00 PM | ||
| Mountain Standard Time MST (UTC-07) | Su, Nov 6. 01:00 AM | Su, Nov 5. 01:00 AM | Su, Nov 4. 01:00 AM | Mountain Daylight Time MDT (UTC-06) | Su, Mar 13. 01:00 AM | Su, Mar 12. 01:00 AM | Su, Mar 11. 01:00 AM | ||
| Mountain Standard Time MST (UTC-07) | UTC-07 all year long | No Daylight Saving Time | |||||||
| Central Standard Time CST (UTC-06) | Su, Nov 6. 12:00 AM | Su, Nov 5. 12:00 AM | Su, Nov 4. 12:00 AM | Central Daylight Time CDT (UTC-05) | Su, Mar 13. 12:00 AM | Su, Mar 12. 12:00 AM | Su, Mar 11. 12:00 AM | ||
| Atlantic Standard Time AST (UTC-04) | Sa, Nov 5. 10:00 PM | Sa, Nov 4. 10:00 PM | Sa, Nov 3. 10:00 PM | Atlantic Daylight Time ADT (UTC-03) | Sa, Mar 12. 10:00 PM | Sa, Mar 11. 10:00 PM | Sa, Mar 10. 10:00 PM | ||
| Newfoundland Standard Time NST (UTC-03:30) | Sa, Nov 5. 09:30 PM | Sa, Nov 4. 09:30 PM | Sa, Nov 3. 09:30 PM | Newfoundland Daylight Time NDT (UTC-02:30) | Sa, Mar 12. 09:30 PM | Sa, Mar 11. 09:30 PM | Sa, Mar 10. 09:30 PM | ||
| Mountain Standard Time MST (UTC-07) | Su, Nov 6. 01:00 AM | Su, Nov 5. 01:00 AM | Su, Nov 4. 01:00 AM | Mountain Daylight Time MDT (UTC-06) | Su, Mar 13. 01:00 AM | Su, Mar 12. 01:00 AM | Su, Mar 11. 01:00 AM | ||
| Atlantic Standard Time AST (UTC-04) | Sa, Nov 5. 10:00 PM | Sa, Nov 4. 10:00 PM | Sa, Nov 3. 10:00 PM | Atlantic Daylight Time ADT (UTC-03) | Sa, Mar 12. 10:00 PM | Sa, Mar 11. 10:00 PM | Sa, Mar 10. 10:00 PM | ||
| Eastern Standard Time EST (UTC-05) | Sa, Nov 5. 11:00 PM | Sa, Nov 4. 11:00 PM | Sa, Nov 3. 11:00 PM | Eastern Daylight Time EDT (UTC-04) | Sa, Mar 12. 11:00 PM | Sa, Mar 11. 11:00 PM | Sa, Mar 10. 11:00 PM | ||
| Eastern Standard Time EST (UTC-05) | Sa, Nov 5. 11:00 PM | Sa, Nov 4. 11:00 PM | Sa, Nov 3. 11:00 PM | Eastern Daylight Time EDT (UTC-04) | Sa, Mar 12. 11:00 PM | Sa, Mar 11. 11:00 PM | Sa, Mar 10. 11:00 PM | ||
| Central Standard Time CST (UTC-06) | UTC-06 all year long | No Daylight Saving Time | |||||||
| Pacific Standard Time PST (UTC-08) | Su, Nov 6. 02:00 AM | Su, Nov 5. 02:00 AM | Su, Nov 4. 02:00 AM | Pacific Daylight Time PDT (UTC-07) | Su, Mar 13. 02:00 AM | Su, Mar 12. 02:00 AM | Su, Mar 11. 02:00 AM | ||
The information in this page comes from data published in the Time Zone Database managed by the Internet Assigned Numbers Authority (IANA).
| Year | Time zone Abbreviation | UTC Offset | Time zone Name | Daylight Saving Time | Begins (local time) |
|---|---|---|---|---|---|
| 2018 | EST | UTC-05 | Eastern Standard Time | no | Sunday, November 4 2018, 02:00 AM |
| 2018 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, March 11 2018, 02:00 AM |
| 2017 | EST | UTC-05 | Eastern Standard Time | no | Sunday, November 5 2017, 02:00 AM |
| 2017 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, March 12 2017, 02:00 AM |
| 2016 | EST | UTC-05 | Eastern Standard Time | no | Sunday, November 6 2016, 02:00 AM |
| 2016 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, March 13 2016, 02:00 AM |
| 2015 | EST | UTC-05 | Eastern Standard Time | no | Sunday, November 1 2015, 02:00 AM |
| 2015 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, March 8 2015, 02:00 AM |
| 2014 | EST | UTC-05 | Eastern Standard Time | no | Sunday, November 2 2014, 02:00 AM |
| 2014 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, March 9 2014, 02:00 AM |
| 2013 | EST | UTC-05 | Eastern Standard Time | no | Sunday, November 3 2013, 02:00 AM |
| 2013 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, March 10 2013, 02:00 AM |
| 2012 | EST | UTC-05 | Eastern Standard Time | no | Sunday, November 4 2012, 02:00 AM |
| 2012 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, March 11 2012, 02:00 AM |
| 2011 | EST | UTC-05 | Eastern Standard Time | no | Sunday, November 6 2011, 02:00 AM |
| 2011 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, March 13 2011, 02:00 AM |
| 2010 | EST | UTC-05 | Eastern Standard Time | no | Sunday, November 7 2010, 02:00 AM |
| 2010 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, March 14 2010, 02:00 AM |
| 2009 | EST | UTC-05 | Eastern Standard Time | no | Sunday, November 1 2009, 02:00 AM |
| 2009 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, March 8 2009, 02:00 AM |
| 2008 | EST | UTC-05 | Eastern Standard Time | no | Sunday, November 2 2008, 02:00 AM |
| 2008 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, March 9 2008, 02:00 AM |
| 2007 | EST | UTC-05 | Eastern Standard Time | no | Sunday, November 4 2007, 02:00 AM |
| 2007 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, March 11 2007, 02:00 AM |
| 2006 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 29 2006, 02:00 AM |
| 2006 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 2 2006, 02:00 AM |
| 2005 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 30 2005, 02:00 AM |
| 2005 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 3 2005, 02:00 AM |
| 2004 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 31 2004, 02:00 AM |
| 2004 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 4 2004, 02:00 AM |
| 2003 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 26 2003, 02:00 AM |
| 2003 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 6 2003, 02:00 AM |
| 2002 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 27 2002, 02:00 AM |
| 2002 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 7 2002, 02:00 AM |
| 2001 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 28 2001, 02:00 AM |
| 2001 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 1 2001, 02:00 AM |
| 2000 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 29 2000, 02:00 AM |
| 2000 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 2 2000, 02:00 AM |
| 1999 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 31 1999, 02:00 AM |
| 1999 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 4 1999, 02:00 AM |
| 1998 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 25 1998, 02:00 AM |
| 1998 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 5 1998, 02:00 AM |
| 1997 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 26 1997, 02:00 AM |
| 1997 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 6 1997, 02:00 AM |
| 1996 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 27 1996, 02:00 AM |
| 1996 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 7 1996, 02:00 AM |
| 1995 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 29 1995, 02:00 AM |
| 1995 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 2 1995, 02:00 AM |
| 1994 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 30 1994, 02:00 AM |
| 1994 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 3 1994, 02:00 AM |
| 1993 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 31 1993, 02:00 AM |
| 1993 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 4 1993, 02:00 AM |
| 1992 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 25 1992, 02:00 AM |
| 1992 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 5 1992, 02:00 AM |
| 1991 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 27 1991, 02:00 AM |
| 1991 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 7 1991, 02:00 AM |
| 1990 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 28 1990, 02:00 AM |
| 1990 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 1 1990, 02:00 AM |
| 1989 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 29 1989, 02:00 AM |
| 1989 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 2 1989, 02:00 AM |
| 1988 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 30 1988, 02:00 AM |
| 1988 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 3 1988, 02:00 AM |
| 1987 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 25 1987, 02:00 AM |
| 1987 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 5 1987, 02:00 AM |
| 1986 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 26 1986, 02:00 AM |
| 1986 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 27 1986, 02:00 AM |
| 1985 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 27 1985, 02:00 AM |
| 1985 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 28 1985, 02:00 AM |
| 1984 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 28 1984, 02:00 AM |
| 1984 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 29 1984, 02:00 AM |
| 1983 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 30 1983, 02:00 AM |
| 1983 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 24 1983, 02:00 AM |
| 1982 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 31 1982, 02:00 AM |
| 1982 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 25 1982, 02:00 AM |
| 1981 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 25 1981, 02:00 AM |
| 1981 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 26 1981, 02:00 AM |
| 1980 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 26 1980, 02:00 AM |
| 1980 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 27 1980, 02:00 AM |
| 1979 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 28 1979, 02:00 AM |
| 1979 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 29 1979, 02:00 AM |
| 1978 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 29 1978, 02:00 AM |
| 1978 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 30 1978, 02:00 AM |
| 1977 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 30 1977, 02:00 AM |
| 1977 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 24 1977, 02:00 AM |
| 1976 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 31 1976, 02:00 AM |
| 1976 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 25 1976, 02:00 AM |
| 1975 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 26 1975, 02:00 AM |
| 1975 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 27 1975, 02:00 AM |
| 1974 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 27 1974, 02:00 AM |
| 1974 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 28 1974, 02:00 AM |
| 1973 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 28 1973, 02:00 AM |
| 1973 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 29 1973, 02:00 AM |
| 1972 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 29 1972, 02:00 AM |
| 1972 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 30 1972, 02:00 AM |
| 1971 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 31 1971, 02:00 AM |
| 1971 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 25 1971, 02:00 AM |
| 1970 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 25 1970, 02:00 AM |
| 1970 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 26 1970, 02:00 AM |
| 1969 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 26 1969, 02:00 AM |
| 1969 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 27 1969, 02:00 AM |
| 1968 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 27 1968, 02:00 AM |
| 1968 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 28 1968, 02:00 AM |
| 1967 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 29 1967, 02:00 AM |
| 1967 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 30 1967, 02:00 AM |
| 1966 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 30 1966, 02:00 AM |
| 1966 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 24 1966, 02:00 AM |
| 1965 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 31 1965, 02:00 AM |
| 1965 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 25 1965, 02:00 AM |
| 1964 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 25 1964, 02:00 AM |
| 1964 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 26 1964, 02:00 AM |
| 1963 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 27 1963, 02:00 AM |
| 1963 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 28 1963, 02:00 AM |
| 1962 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 28 1962, 02:00 AM |
| 1962 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 29 1962, 02:00 AM |
| 1961 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 29 1961, 02:00 AM |
| 1961 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 30 1961, 02:00 AM |
| 1960 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 30 1960, 02:00 AM |
| 1960 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 24 1960, 02:00 AM |
| 1959 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 25 1959, 02:00 AM |
| 1959 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 26 1959, 02:00 AM |
| 1958 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 26 1958, 02:00 AM |
| 1958 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 27 1958, 02:00 AM |
| 1957 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 27 1957, 02:00 AM |
| 1957 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 28 1957, 02:00 AM |
| 1956 | EST | UTC-05 | Eastern Standard Time | no | Sunday, September 30 1956, 02:00 AM |
| 1956 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 29 1956, 02:00 AM |
| 1955 | EST | UTC-05 | Eastern Standard Time | no | Sunday, September 25 1955, 02:00 AM |
| 1955 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 24 1955, 02:00 AM |
| 1954 | EST | UTC-05 | Eastern Standard Time | no | Sunday, September 26 1954, 02:00 AM |
| 1954 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 25 1954, 02:00 AM |
| 1953 | EST | UTC-05 | Eastern Standard Time | no | Sunday, September 27 1953, 02:00 AM |
| 1953 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 26 1953, 02:00 AM |
| 1952 | EST | UTC-05 | Eastern Standard Time | no | Sunday, September 28 1952, 02:00 AM |
| 1952 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 27 1952, 02:00 AM |
| 1951 | EST | UTC-05 | Eastern Standard Time | no | Sunday, September 30 1951, 02:00 AM |
| 1951 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 29 1951, 02:00 AM |
| 1950 | EST | UTC-05 | Eastern Standard Time | no | Sunday, November 26 1950, 02:00 AM |
| 1950 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 30 1950, 02:00 AM |
| 1949 | EST | UTC-05 | Eastern Standard Time | no | Saturday, November 26 1949, 12:00 AM |
| 1949 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 24 1949, 12:00 AM |
| 1948 | EST | UTC-05 | Eastern Standard Time | no | Saturday, September 25 1948, 12:00 AM |
| 1948 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 25 1948, 12:00 AM |
| 1947 | EST | UTC-05 | Eastern Standard Time | no | Saturday, September 27 1947, 12:00 AM |
| 1947 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 27 1947, 12:00 AM |
| 1946 | EST | UTC-05 | Eastern Standard Time | no | Sunday, September 29 1946, 02:00 AM |
| 1946 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 28 1946, 02:00 AM |
| 1945 | EST | UTC-05 | Eastern Standard Time | no | Sunday, September 30 1945, 02:00 AM |
| 1945 | EPT | UTC-04 | yes | Tuesday, August 14 1945, 07:00 PM | |
| 1942 | EWT | UTC-04 | yes | Monday, February 9 1942, 03:00 AM | |
| 1940 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 28 1940, 02:00 AM |
| 1939 | EST | UTC-05 | Eastern Standard Time | no | Sunday, September 24 1939, 02:00 AM |
| 1939 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 30 1939, 02:00 AM |
| 1938 | EST | UTC-05 | Eastern Standard Time | no | Sunday, September 25 1938, 02:00 AM |
| 1938 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 24 1938, 02:00 AM |
| 1937 | EST | UTC-05 | Eastern Standard Time | no | Sunday, September 26 1937, 02:00 AM |
| 1937 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 25 1937, 02:00 AM |
| 1936 | EST | UTC-05 | Eastern Standard Time | no | Sunday, September 27 1936, 02:00 AM |
| 1936 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 26 1936, 02:00 AM |
| 1935 | EST | UTC-05 | Eastern Standard Time | no | Sunday, September 29 1935, 02:00 AM |
| 1935 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 28 1935, 02:00 AM |
| 1934 | EST | UTC-05 | Eastern Standard Time | no | Sunday, September 30 1934, 02:00 AM |
| 1934 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 29 1934, 02:00 AM |
| 1933 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 1 1933, 02:00 AM |
| 1933 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 30 1933, 02:00 AM |
| 1932 | EST | UTC-05 | Eastern Standard Time | no | Sunday, September 25 1932, 02:00 AM |
| 1932 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, May 1 1932, 02:00 AM |
| 1931 | EST | UTC-05 | Eastern Standard Time | no | Sunday, September 27 1931, 02:00 AM |
| 1931 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 26 1931, 02:00 AM |
| 1930 | EST | UTC-05 | Eastern Standard Time | no | Sunday, September 28 1930, 02:00 AM |
| 1930 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 27 1930, 02:00 AM |
| 1929 | EST | UTC-05 | Eastern Standard Time | no | Sunday, September 29 1929, 02:00 AM |
| 1929 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 28 1929, 02:00 AM |
| 1928 | EST | UTC-05 | Eastern Standard Time | no | Sunday, September 30 1928, 02:00 AM |
| 1928 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 29 1928, 02:00 AM |
| 1927 | EST | UTC-05 | Eastern Standard Time | no | Sunday, September 25 1927, 02:00 AM |
| 1927 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, May 1 1927, 02:00 AM |
| 1926 | EST | UTC-05 | Eastern Standard Time | no | Sunday, September 19 1926, 02:00 AM |
| 1926 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, May 2 1926, 02:00 AM |
| 1925 | EST | UTC-05 | Eastern Standard Time | no | Sunday, September 20 1925, 02:00 AM |
| 1925 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, May 3 1925, 02:00 AM |
| 1924 | EST | UTC-05 | Eastern Standard Time | no | Sunday, September 21 1924, 02:00 AM |
| 1924 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, May 4 1924, 02:00 AM |
| 1923 | EST | UTC-05 | Eastern Standard Time | no | Sunday, September 16 1923, 02:00 AM |
| 1923 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, May 13 1923, 02:00 AM |
| 1922 | EST | UTC-05 | Eastern Standard Time | no | Sunday, September 17 1922, 02:00 AM |
| 1922 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, May 14 1922, 02:00 AM |
| 1921 | EST | UTC-05 | Eastern Standard Time | no | Thursday, September 15 1921, 02:00 AM |
| 1921 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, May 15 1921, 02:00 AM |
| 1920 | EST | UTC-05 | Eastern Standard Time | no | Saturday, September 25 1920, 12:00 AM |
| 1920 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, May 2 1920, 02:00 AM |
| 1919 | EST | UTC-05 | Eastern Standard Time | no | Saturday, October 25 1919, 12:00 AM |
| 1919 | EDT | UTC-04 | Eastern Daylight Time | yes | Monday, March 31 1919, 11:30 PM |
| 1918 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 27 1918, 02:00 AM |
| 1918 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 14 1918, 02:00 AM |
| 1901 | EST | UTC-05 | Eastern Standard Time | no | Friday, December 13 1901, 03:45 PM |
| 2018 | MST | UTC-07 | Mountain Standard Time | no | Sunday, November 4 2018, 02:00 AM |
| 2018 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, March 11 2018, 02:00 AM |
| 2017 | MST | UTC-07 | Mountain Standard Time | no | Sunday, November 5 2017, 02:00 AM |
| 2017 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, March 12 2017, 02:00 AM |
| 2016 | MST | UTC-07 | Mountain Standard Time | no | Sunday, November 6 2016, 02:00 AM |
| 2016 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, March 13 2016, 02:00 AM |
| 2015 | MST | UTC-07 | Mountain Standard Time | no | Sunday, November 1 2015, 02:00 AM |
| 2015 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, March 8 2015, 02:00 AM |
| 2014 | MST | UTC-07 | Mountain Standard Time | no | Sunday, November 2 2014, 02:00 AM |
| 2014 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, March 9 2014, 02:00 AM |
| 2013 | MST | UTC-07 | Mountain Standard Time | no | Sunday, November 3 2013, 02:00 AM |
| 2013 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, March 10 2013, 02:00 AM |
| 2012 | MST | UTC-07 | Mountain Standard Time | no | Sunday, November 4 2012, 02:00 AM |
| 2012 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, March 11 2012, 02:00 AM |
| 2011 | MST | UTC-07 | Mountain Standard Time | no | Sunday, November 6 2011, 02:00 AM |
| 2011 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, March 13 2011, 02:00 AM |
| 2010 | MST | UTC-07 | Mountain Standard Time | no | Sunday, November 7 2010, 02:00 AM |
| 2010 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, March 14 2010, 02:00 AM |
| 2009 | MST | UTC-07 | Mountain Standard Time | no | Sunday, November 1 2009, 02:00 AM |
| 2009 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, March 8 2009, 02:00 AM |
| 2008 | MST | UTC-07 | Mountain Standard Time | no | Sunday, November 2 2008, 02:00 AM |
| 2008 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, March 9 2008, 02:00 AM |
| 2007 | MST | UTC-07 | Mountain Standard Time | no | Sunday, November 4 2007, 02:00 AM |
| 2007 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, March 11 2007, 02:00 AM |
| 2006 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 29 2006, 02:00 AM |
| 2006 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 2 2006, 02:00 AM |
| 2005 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 30 2005, 02:00 AM |
| 2005 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 3 2005, 02:00 AM |
| 2004 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 31 2004, 02:00 AM |
| 2004 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 4 2004, 02:00 AM |
| 2003 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 26 2003, 02:00 AM |
| 2003 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 6 2003, 02:00 AM |
| 2002 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 27 2002, 02:00 AM |
| 2002 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 7 2002, 02:00 AM |
| 2001 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 28 2001, 02:00 AM |
| 2001 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 1 2001, 02:00 AM |
| 2000 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 29 2000, 02:00 AM |
| 2000 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 2 2000, 02:00 AM |
| 1999 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 31 1999, 02:00 AM |
| 1999 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 4 1999, 02:00 AM |
| 1998 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 25 1998, 02:00 AM |
| 1998 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 5 1998, 02:00 AM |
| 1997 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 26 1997, 02:00 AM |
| 1997 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 6 1997, 02:00 AM |
| 1996 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 27 1996, 02:00 AM |
| 1996 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 7 1996, 02:00 AM |
| 1995 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 29 1995, 02:00 AM |
| 1995 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 2 1995, 02:00 AM |
| 1994 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 30 1994, 02:00 AM |
| 1994 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 3 1994, 02:00 AM |
| 1993 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 31 1993, 02:00 AM |
| 1993 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 4 1993, 02:00 AM |
| 1992 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 25 1992, 02:00 AM |
| 1992 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 5 1992, 02:00 AM |
| 1991 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 27 1991, 02:00 AM |
| 1991 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 7 1991, 02:00 AM |
| 1990 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 28 1990, 02:00 AM |
| 1990 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 1 1990, 02:00 AM |
| 1989 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 29 1989, 02:00 AM |
| 1989 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 2 1989, 02:00 AM |
| 1988 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 30 1988, 02:00 AM |
| 1988 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 3 1988, 02:00 AM |
| 1987 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 25 1987, 02:00 AM |
| 1987 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 5 1987, 02:00 AM |
| 1986 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 26 1986, 02:00 AM |
| 1986 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 27 1986, 02:00 AM |
| 1985 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 27 1985, 02:00 AM |
| 1985 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 28 1985, 02:00 AM |
| 1984 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 28 1984, 02:00 AM |
| 1984 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 29 1984, 02:00 AM |
| 1983 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 30 1983, 02:00 AM |
| 1983 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 24 1983, 02:00 AM |
| 1982 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 31 1982, 02:00 AM |
| 1982 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 25 1982, 02:00 AM |
| 1981 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 25 1981, 02:00 AM |
| 1981 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 26 1981, 02:00 AM |
| 1980 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 26 1980, 02:00 AM |
| 1980 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 27 1980, 02:00 AM |
| 1979 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 28 1979, 02:00 AM |
| 1979 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 29 1979, 02:00 AM |
| 1978 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 29 1978, 02:00 AM |
| 1978 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 30 1978, 02:00 AM |
| 1977 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 30 1977, 02:00 AM |
| 1977 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 24 1977, 02:00 AM |
| 1976 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 31 1976, 02:00 AM |
| 1976 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 25 1976, 02:00 AM |
| 1975 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 26 1975, 02:00 AM |
| 1975 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 27 1975, 02:00 AM |
| 1974 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 27 1974, 02:00 AM |
| 1974 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 28 1974, 02:00 AM |
| 1973 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 28 1973, 02:00 AM |
| 1973 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 29 1973, 02:00 AM |
| 1972 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 29 1972, 02:00 AM |
| 1972 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 30 1972, 02:00 AM |
| 1969 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 26 1969, 02:00 AM |
| 1969 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 27 1969, 02:00 AM |
| 1967 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 29 1967, 02:00 AM |
| 1967 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 30 1967, 02:00 AM |
| 1947 | MST | UTC-07 | Mountain Standard Time | no | Sunday, September 28 1947, 02:00 AM |
| 1947 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 27 1947, 02:00 AM |
| 1945 | MST | UTC-07 | Mountain Standard Time | no | Sunday, September 30 1945, 02:00 AM |
| 1945 | MPT | UTC-06 | yes | Tuesday, August 14 1945, 05:00 PM | |
| 1942 | MWT | UTC-06 | yes | Monday, February 9 1942, 02:00 AM | |
| 1923 | MST | UTC-07 | Mountain Standard Time | no | Sunday, September 30 1923, 02:00 AM |
| 1923 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 29 1923, 02:00 AM |
| 1922 | MST | UTC-07 | Mountain Standard Time | no | Sunday, September 24 1922, 02:00 AM |
| 1922 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 30 1922, 02:00 AM |
| 1921 | MST | UTC-07 | Mountain Standard Time | no | Sunday, September 25 1921, 02:00 AM |
| 1921 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 24 1921, 02:00 AM |
| 1920 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 31 1920, 02:00 AM |
| 1920 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 25 1920, 02:00 AM |
| 1919 | MST | UTC-07 | Mountain Standard Time | no | Tuesday, May 27 1919, 02:00 AM |
| 1919 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 13 1919, 02:00 AM |
| 1918 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 27 1918, 02:00 AM |
| 1918 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 14 1918, 02:00 AM |
| 1906 | MST | UTC-07 | Mountain Standard Time | no | Saturday, September 1 1906, 12:00 AM |
| 1901 | LMT | UTC-07:33:52 | no | Friday, December 13 1901, 01:12 PM | |
| 1918 | MST | UTC-07 | Mountain Standard Time | no | Sunday, June 2 1918, 12:00 AM |
| 1916 | PST | UTC-08 | Pacific Standard Time | no | Saturday, September 30 1916, 12:00 AM |
| 1901 | MST | UTC-07 | Mountain Standard Time | no | Friday, December 13 1901, 01:45 PM |
| 2018 | CST | UTC-06 | Central Standard Time | no | Sunday, November 4 2018, 02:00 AM |
| 2018 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, March 11 2018, 02:00 AM |
| 2017 | CST | UTC-06 | Central Standard Time | no | Sunday, November 5 2017, 02:00 AM |
| 2017 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, March 12 2017, 02:00 AM |
| 2016 | CST | UTC-06 | Central Standard Time | no | Sunday, November 6 2016, 02:00 AM |
| 2016 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, March 13 2016, 02:00 AM |
| 2015 | CST | UTC-06 | Central Standard Time | no | Sunday, November 1 2015, 02:00 AM |
| 2015 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, March 8 2015, 02:00 AM |
| 2014 | CST | UTC-06 | Central Standard Time | no | Sunday, November 2 2014, 02:00 AM |
| 2014 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, March 9 2014, 02:00 AM |
| 2013 | CST | UTC-06 | Central Standard Time | no | Sunday, November 3 2013, 02:00 AM |
| 2013 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, March 10 2013, 02:00 AM |
| 2012 | CST | UTC-06 | Central Standard Time | no | Sunday, November 4 2012, 02:00 AM |
| 2012 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, March 11 2012, 02:00 AM |
| 2011 | CST | UTC-06 | Central Standard Time | no | Sunday, November 6 2011, 02:00 AM |
| 2011 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, March 13 2011, 02:00 AM |
| 2010 | CST | UTC-06 | Central Standard Time | no | Sunday, November 7 2010, 02:00 AM |
| 2010 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, March 14 2010, 02:00 AM |
| 2009 | CST | UTC-06 | Central Standard Time | no | Sunday, November 1 2009, 02:00 AM |
| 2009 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, March 8 2009, 02:00 AM |
| 2008 | CST | UTC-06 | Central Standard Time | no | Sunday, November 2 2008, 02:00 AM |
| 2008 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, March 9 2008, 02:00 AM |
| 2007 | CST | UTC-06 | Central Standard Time | no | Sunday, November 4 2007, 02:00 AM |
| 2007 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, March 11 2007, 02:00 AM |
| 2006 | CST | UTC-06 | Central Standard Time | no | Sunday, October 29 2006, 02:00 AM |
| 2006 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 2 2006, 02:00 AM |
| 2006 | CST | UTC-06 | Central Standard Time | no | Sunday, January 1 2006, 12:00 AM |
| 2005 | CST | UTC-06 | Central Standard Time | no | Sunday, October 30 2005, 03:00 AM |
| 2005 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 3 2005, 02:00 AM |
| 2004 | CST | UTC-06 | Central Standard Time | no | Sunday, October 31 2004, 03:00 AM |
| 2004 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 4 2004, 02:00 AM |
| 2003 | CST | UTC-06 | Central Standard Time | no | Sunday, October 26 2003, 03:00 AM |
| 2003 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 6 2003, 02:00 AM |
| 2002 | CST | UTC-06 | Central Standard Time | no | Sunday, October 27 2002, 03:00 AM |
| 2002 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 7 2002, 02:00 AM |
| 2001 | CST | UTC-06 | Central Standard Time | no | Sunday, October 28 2001, 03:00 AM |
| 2001 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 1 2001, 02:00 AM |
| 2000 | CST | UTC-06 | Central Standard Time | no | Sunday, October 29 2000, 03:00 AM |
| 2000 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 2 2000, 02:00 AM |
| 1999 | CST | UTC-06 | Central Standard Time | no | Sunday, October 31 1999, 03:00 AM |
| 1999 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 4 1999, 02:00 AM |
| 1998 | CST | UTC-06 | Central Standard Time | no | Sunday, October 25 1998, 03:00 AM |
| 1998 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 5 1998, 02:00 AM |
| 1997 | CST | UTC-06 | Central Standard Time | no | Sunday, October 26 1997, 03:00 AM |
| 1997 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 6 1997, 02:00 AM |
| 1996 | CST | UTC-06 | Central Standard Time | no | Sunday, October 27 1996, 03:00 AM |
| 1996 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 7 1996, 02:00 AM |
| 1995 | CST | UTC-06 | Central Standard Time | no | Sunday, October 29 1995, 03:00 AM |
| 1995 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 2 1995, 02:00 AM |
| 1994 | CST | UTC-06 | Central Standard Time | no | Sunday, October 30 1994, 03:00 AM |
| 1994 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 3 1994, 02:00 AM |
| 1993 | CST | UTC-06 | Central Standard Time | no | Sunday, October 31 1993, 03:00 AM |
| 1993 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 4 1993, 02:00 AM |
| 1992 | CST | UTC-06 | Central Standard Time | no | Sunday, October 25 1992, 03:00 AM |
| 1992 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 5 1992, 02:00 AM |
| 1991 | CST | UTC-06 | Central Standard Time | no | Sunday, October 27 1991, 03:00 AM |
| 1991 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 7 1991, 02:00 AM |
| 1990 | CST | UTC-06 | Central Standard Time | no | Sunday, October 28 1990, 03:00 AM |
| 1990 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 1 1990, 02:00 AM |
| 1989 | CST | UTC-06 | Central Standard Time | no | Sunday, October 29 1989, 03:00 AM |
| 1989 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 2 1989, 02:00 AM |
| 1988 | CST | UTC-06 | Central Standard Time | no | Sunday, October 30 1988, 03:00 AM |
| 1988 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 3 1988, 02:00 AM |
| 1987 | CST | UTC-06 | Central Standard Time | no | Sunday, October 25 1987, 03:00 AM |
| 1987 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 5 1987, 02:00 AM |
| 1986 | CST | UTC-06 | Central Standard Time | no | Sunday, October 26 1986, 03:00 AM |
| 1986 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 27 1986, 02:00 AM |
| 1985 | CST | UTC-06 | Central Standard Time | no | Sunday, October 27 1985, 03:00 AM |
| 1985 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 28 1985, 02:00 AM |
| 1984 | CST | UTC-06 | Central Standard Time | no | Sunday, October 28 1984, 03:00 AM |
| 1984 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 29 1984, 02:00 AM |
| 1983 | CST | UTC-06 | Central Standard Time | no | Sunday, October 30 1983, 03:00 AM |
| 1983 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 24 1983, 02:00 AM |
| 1982 | CST | UTC-06 | Central Standard Time | no | Sunday, October 31 1982, 03:00 AM |
| 1982 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 25 1982, 02:00 AM |
| 1981 | CST | UTC-06 | Central Standard Time | no | Sunday, October 25 1981, 03:00 AM |
| 1981 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 26 1981, 02:00 AM |
| 1980 | CST | UTC-06 | Central Standard Time | no | Sunday, October 26 1980, 03:00 AM |
| 1980 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 27 1980, 02:00 AM |
| 1979 | CST | UTC-06 | Central Standard Time | no | Sunday, October 28 1979, 03:00 AM |
| 1979 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 29 1979, 02:00 AM |
| 1978 | CST | UTC-06 | Central Standard Time | no | Sunday, October 29 1978, 03:00 AM |
| 1978 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 30 1978, 02:00 AM |
| 1977 | CST | UTC-06 | Central Standard Time | no | Sunday, October 30 1977, 03:00 AM |
| 1977 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 24 1977, 02:00 AM |
| 1976 | CST | UTC-06 | Central Standard Time | no | Sunday, October 31 1976, 03:00 AM |
| 1976 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 25 1976, 02:00 AM |
| 1975 | CST | UTC-06 | Central Standard Time | no | Sunday, October 26 1975, 03:00 AM |
| 1975 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 27 1975, 02:00 AM |
| 1974 | CST | UTC-06 | Central Standard Time | no | Sunday, October 27 1974, 03:00 AM |
| 1974 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 28 1974, 02:00 AM |
| 1973 | CST | UTC-06 | Central Standard Time | no | Sunday, October 28 1973, 03:00 AM |
| 1973 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 29 1973, 02:00 AM |
| 1972 | CST | UTC-06 | Central Standard Time | no | Sunday, October 29 1972, 03:00 AM |
| 1972 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 30 1972, 02:00 AM |
| 1971 | CST | UTC-06 | Central Standard Time | no | Sunday, October 31 1971, 03:00 AM |
| 1971 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 25 1971, 02:00 AM |
| 1970 | CST | UTC-06 | Central Standard Time | no | Sunday, October 25 1970, 03:00 AM |
| 1970 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 26 1970, 02:00 AM |
| 1969 | CST | UTC-06 | Central Standard Time | no | Sunday, October 26 1969, 03:00 AM |
| 1969 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 27 1969, 02:00 AM |
| 1968 | CST | UTC-06 | Central Standard Time | no | Sunday, October 27 1968, 03:00 AM |
| 1968 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 28 1968, 02:00 AM |
| 1967 | CST | UTC-06 | Central Standard Time | no | Sunday, October 29 1967, 03:00 AM |
| 1967 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 30 1967, 02:00 AM |
| 1966 | CST | UTC-06 | Central Standard Time | no | Sunday, October 30 1966, 03:00 AM |
| 1966 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 24 1966, 02:00 AM |
| 1963 | CST | UTC-06 | Central Standard Time | no | Sunday, September 22 1963, 02:00 AM |
| 1963 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 28 1963, 02:00 AM |
| 1960 | CST | UTC-06 | Central Standard Time | no | Sunday, September 25 1960, 02:00 AM |
| 1960 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 24 1960, 02:00 AM |
| 1959 | CST | UTC-06 | Central Standard Time | no | Sunday, October 25 1959, 02:00 AM |
| 1959 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 26 1959, 02:00 AM |
| 1958 | CST | UTC-06 | Central Standard Time | no | Sunday, September 28 1958, 02:00 AM |
| 1958 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 27 1958, 02:00 AM |
| 1957 | CST | UTC-06 | Central Standard Time | no | Sunday, September 29 1957, 02:00 AM |
| 1957 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 28 1957, 02:00 AM |
| 1956 | CST | UTC-06 | Central Standard Time | no | Sunday, September 30 1956, 02:00 AM |
| 1956 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 29 1956, 02:00 AM |
| 1955 | CST | UTC-06 | Central Standard Time | no | Sunday, September 25 1955, 02:00 AM |
| 1955 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 24 1955, 02:00 AM |
| 1954 | CST | UTC-06 | Central Standard Time | no | Sunday, September 26 1954, 02:00 AM |
| 1954 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 25 1954, 02:00 AM |
| 1953 | CST | UTC-06 | Central Standard Time | no | Sunday, September 27 1953, 02:00 AM |
| 1953 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 26 1953, 02:00 AM |
| 1952 | CST | UTC-06 | Central Standard Time | no | Sunday, September 28 1952, 02:00 AM |
| 1952 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 27 1952, 02:00 AM |
| 1951 | CST | UTC-06 | Central Standard Time | no | Sunday, September 30 1951, 02:00 AM |
| 1951 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 29 1951, 02:00 AM |
| 1950 | CST | UTC-06 | Central Standard Time | no | Saturday, September 30 1950, 02:00 AM |
| 1950 | CDT | UTC-05 | Central Daylight Time | yes | Monday, May 1 1950, 02:00 AM |
| 1949 | CST | UTC-06 | Central Standard Time | no | Sunday, September 25 1949, 02:00 AM |
| 1949 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 24 1949, 02:00 AM |
| 1948 | CST | UTC-06 | Central Standard Time | no | Sunday, September 26 1948, 02:00 AM |
| 1948 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 25 1948, 02:00 AM |
| 1947 | CST | UTC-06 | Central Standard Time | no | Sunday, September 28 1947, 02:00 AM |
| 1947 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 27 1947, 02:00 AM |
| 1946 | CST | UTC-06 | Central Standard Time | no | Sunday, October 13 1946, 02:00 AM |
| 1946 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, May 12 1946, 02:00 AM |
| 1945 | CST | UTC-06 | Central Standard Time | no | Sunday, September 30 1945, 02:00 AM |
| 1945 | CPT | UTC-05 | yes | Tuesday, August 14 1945, 06:00 PM | |
| 1942 | CWT | UTC-05 | yes | Monday, February 9 1942, 02:00 AM | |
| 1937 | CST | UTC-06 | Central Standard Time | no | Sunday, September 26 1937, 02:00 AM |
| 1937 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, May 16 1937, 02:00 AM |
| 1918 | CST | UTC-06 | Central Standard Time | no | Sunday, October 27 1918, 02:00 AM |
| 1918 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 14 1918, 02:00 AM |
| 1916 | CST | UTC-06 | Central Standard Time | no | Saturday, September 16 1916, 12:00 AM |
| 1916 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 23 1916, 12:00 AM |
| 1901 | CST | UTC-06 | Central Standard Time | no | Friday, December 13 1901, 02:45 PM |
| 2018 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, November 4 2018, 02:00 AM |
| 2018 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, March 11 2018, 02:00 AM |
| 2017 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, November 5 2017, 02:00 AM |
| 2017 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, March 12 2017, 02:00 AM |
| 2016 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, November 6 2016, 02:00 AM |
| 2016 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, March 13 2016, 02:00 AM |
| 2015 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, November 1 2015, 02:00 AM |
| 2015 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, March 8 2015, 02:00 AM |
| 2014 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, November 2 2014, 02:00 AM |
| 2014 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, March 9 2014, 02:00 AM |
| 2013 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, November 3 2013, 02:00 AM |
| 2013 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, March 10 2013, 02:00 AM |
| 2012 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, November 4 2012, 02:00 AM |
| 2012 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, March 11 2012, 02:00 AM |
| 2011 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, November 6 2011, 02:00 AM |
| 2011 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, March 13 2011, 02:00 AM |
| 2010 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, November 7 2010, 02:00 AM |
| 2010 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, March 14 2010, 02:00 AM |
| 2009 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, November 1 2009, 02:00 AM |
| 2009 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, March 8 2009, 02:00 AM |
| 2008 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, November 2 2008, 02:00 AM |
| 2008 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, March 9 2008, 02:00 AM |
| 2007 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, November 4 2007, 02:00 AM |
| 2007 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, March 11 2007, 02:00 AM |
| 2006 | AST | UTC-04 | Atlantic Standard Time | no | Saturday, October 28 2006, 12:01 AM |
| 2006 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 2 2006, 12:01 AM |
| 2005 | AST | UTC-04 | Atlantic Standard Time | no | Saturday, October 29 2005, 12:01 AM |
| 2005 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 3 2005, 12:01 AM |
| 2004 | AST | UTC-04 | Atlantic Standard Time | no | Saturday, October 30 2004, 12:01 AM |
| 2004 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 4 2004, 12:01 AM |
| 2003 | AST | UTC-04 | Atlantic Standard Time | no | Saturday, October 25 2003, 12:01 AM |
| 2003 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 6 2003, 12:01 AM |
| 2002 | AST | UTC-04 | Atlantic Standard Time | no | Saturday, October 26 2002, 12:01 AM |
| 2002 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 7 2002, 12:01 AM |
| 2001 | AST | UTC-04 | Atlantic Standard Time | no | Saturday, October 27 2001, 12:01 AM |
| 2001 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 1 2001, 12:01 AM |
| 2000 | AST | UTC-04 | Atlantic Standard Time | no | Saturday, October 28 2000, 12:01 AM |
| 2000 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 2 2000, 12:01 AM |
| 1999 | AST | UTC-04 | Atlantic Standard Time | no | Saturday, October 30 1999, 12:01 AM |
| 1999 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 4 1999, 12:01 AM |
| 1998 | AST | UTC-04 | Atlantic Standard Time | no | Saturday, October 24 1998, 12:01 AM |
| 1998 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 5 1998, 12:01 AM |
| 1997 | AST | UTC-04 | Atlantic Standard Time | no | Saturday, October 25 1997, 12:01 AM |
| 1997 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 6 1997, 12:01 AM |
| 1996 | AST | UTC-04 | Atlantic Standard Time | no | Saturday, October 26 1996, 12:01 AM |
| 1996 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 7 1996, 12:01 AM |
| 1995 | AST | UTC-04 | Atlantic Standard Time | no | Saturday, October 28 1995, 12:01 AM |
| 1995 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 2 1995, 12:01 AM |
| 1994 | AST | UTC-04 | Atlantic Standard Time | no | Saturday, October 29 1994, 12:01 AM |
| 1994 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 3 1994, 12:01 AM |
| 1993 | AST | UTC-04 | Atlantic Standard Time | no | Saturday, October 30 1993, 12:01 AM |
| 1993 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 4 1993, 12:01 AM |
| 1992 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 25 1992, 02:00 AM |
| 1992 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 5 1992, 02:00 AM |
| 1991 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 27 1991, 02:00 AM |
| 1991 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 7 1991, 02:00 AM |
| 1990 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 28 1990, 02:00 AM |
| 1990 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 1 1990, 02:00 AM |
| 1989 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 29 1989, 02:00 AM |
| 1989 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 2 1989, 02:00 AM |
| 1988 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 30 1988, 02:00 AM |
| 1988 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 3 1988, 02:00 AM |
| 1987 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 25 1987, 02:00 AM |
| 1987 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 5 1987, 02:00 AM |
| 1986 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 26 1986, 02:00 AM |
| 1986 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 27 1986, 02:00 AM |
| 1985 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 27 1985, 02:00 AM |
| 1985 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 28 1985, 02:00 AM |
| 1984 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 28 1984, 02:00 AM |
| 1984 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 29 1984, 02:00 AM |
| 1983 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 30 1983, 02:00 AM |
| 1983 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 24 1983, 02:00 AM |
| 1982 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 31 1982, 02:00 AM |
| 1982 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 25 1982, 02:00 AM |
| 1981 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 25 1981, 02:00 AM |
| 1981 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 26 1981, 02:00 AM |
| 1980 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 26 1980, 02:00 AM |
| 1980 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 27 1980, 02:00 AM |
| 1979 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 28 1979, 02:00 AM |
| 1979 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 29 1979, 02:00 AM |
| 1978 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 29 1978, 02:00 AM |
| 1978 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 30 1978, 02:00 AM |
| 1977 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 30 1977, 02:00 AM |
| 1977 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 24 1977, 02:00 AM |
| 1976 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 31 1976, 02:00 AM |
| 1976 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 25 1976, 02:00 AM |
| 1975 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 26 1975, 02:00 AM |
| 1975 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 27 1975, 02:00 AM |
| 1974 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 27 1974, 02:00 AM |
| 1974 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 28 1974, 02:00 AM |
| 1972 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 29 1972, 02:00 AM |
| 1972 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 30 1972, 02:00 AM |
| 1971 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 31 1971, 02:00 AM |
| 1971 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 25 1971, 02:00 AM |
| 1970 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 25 1970, 02:00 AM |
| 1970 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 26 1970, 02:00 AM |
| 1969 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 26 1969, 02:00 AM |
| 1969 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 27 1969, 02:00 AM |
| 1968 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 27 1968, 02:00 AM |
| 1968 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 28 1968, 02:00 AM |
| 1967 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 29 1967, 02:00 AM |
| 1967 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 30 1967, 02:00 AM |
| 1966 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 30 1966, 02:00 AM |
| 1966 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 24 1966, 02:00 AM |
| 1965 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 31 1965, 02:00 AM |
| 1965 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 25 1965, 02:00 AM |
| 1964 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 25 1964, 02:00 AM |
| 1964 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 26 1964, 02:00 AM |
| 1963 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 27 1963, 02:00 AM |
| 1963 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 28 1963, 02:00 AM |
| 1962 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 28 1962, 02:00 AM |
| 1962 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 29 1962, 02:00 AM |
| 1961 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 29 1961, 02:00 AM |
| 1961 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 30 1961, 02:00 AM |
| 1960 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 30 1960, 02:00 AM |
| 1960 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 24 1960, 02:00 AM |
| 1959 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 25 1959, 02:00 AM |
| 1959 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 26 1959, 02:00 AM |
| 1958 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 26 1958, 02:00 AM |
| 1958 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 27 1958, 02:00 AM |
| 1957 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 27 1957, 02:00 AM |
| 1957 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 28 1957, 02:00 AM |
| 1956 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, September 30 1956, 02:00 AM |
| 1956 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 29 1956, 02:00 AM |
| 1955 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, September 25 1955, 02:00 AM |
| 1955 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 24 1955, 02:00 AM |
| 1954 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, September 26 1954, 02:00 AM |
| 1954 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 25 1954, 02:00 AM |
| 1953 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, September 27 1953, 02:00 AM |
| 1953 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 26 1953, 02:00 AM |
| 1952 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, September 28 1952, 02:00 AM |
| 1952 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 27 1952, 02:00 AM |
| 1951 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, September 30 1951, 02:00 AM |
| 1951 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 29 1951, 02:00 AM |
| 1950 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, September 24 1950, 02:00 AM |
| 1950 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 30 1950, 02:00 AM |
| 1949 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, September 25 1949, 02:00 AM |
| 1949 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 24 1949, 02:00 AM |
| 1948 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, September 26 1948, 02:00 AM |
| 1948 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 25 1948, 02:00 AM |
| 1947 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, September 28 1947, 02:00 AM |
| 1947 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 27 1947, 02:00 AM |
| 1946 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, September 29 1946, 02:00 AM |
| 1946 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 28 1946, 02:00 AM |
| 1945 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, September 30 1945, 02:00 AM |
| 1945 | APT | UTC-03 | yes | Tuesday, August 14 1945, 08:00 PM | |
| 1942 | AWT | UTC-03 | yes | Monday, February 9 1942, 02:00 AM | |
| 1941 | AST | UTC-04 | Atlantic Standard Time | no | Saturday, September 27 1941, 01:00 AM |
| 1941 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, May 4 1941, 01:00 AM |
| 1940 | AST | UTC-04 | Atlantic Standard Time | no | Saturday, September 21 1940, 01:00 AM |
| 1940 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, May 19 1940, 01:00 AM |
| 1939 | AST | UTC-04 | Atlantic Standard Time | no | Saturday, September 23 1939, 01:00 AM |
| 1939 | ADT | UTC-03 | Atlantic Daylight Time | yes | Saturday, May 27 1939, 01:00 AM |
| 1938 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, September 4 1938, 01:00 AM |
| 1938 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, June 5 1938, 01:00 AM |
| 1937 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, September 5 1937, 01:00 AM |
| 1937 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, June 6 1937, 01:00 AM |
| 1936 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, September 6 1936, 01:00 AM |
| 1936 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, June 7 1936, 01:00 AM |
| 1935 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, September 8 1935, 01:00 AM |
| 1935 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, June 9 1935, 01:00 AM |
| 1934 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, September 9 1934, 01:00 AM |
| 1934 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, June 10 1934, 01:00 AM |
| 1933 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, September 10 1933, 01:00 AM |
| 1933 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, June 11 1933, 01:00 AM |
| 1918 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 27 1918, 02:00 AM |
| 1918 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 14 1918, 02:00 AM |
| 1902 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, June 15 1902, 12:00 AM |
| 1901 | EST | UTC-05 | Eastern Standard Time | no | Friday, December 13 1901, 03:45 PM |
| 2018 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, November 4 2018, 02:00 AM |
| 2018 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, March 11 2018, 02:00 AM |
| 2017 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, November 5 2017, 02:00 AM |
| 2017 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, March 12 2017, 02:00 AM |
| 2016 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, November 6 2016, 02:00 AM |
| 2016 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, March 13 2016, 02:00 AM |
| 2015 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, November 1 2015, 02:00 AM |
| 2015 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, March 8 2015, 02:00 AM |
| 2014 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, November 2 2014, 02:00 AM |
| 2014 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, March 9 2014, 02:00 AM |
| 2013 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, November 3 2013, 02:00 AM |
| 2013 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, March 10 2013, 02:00 AM |
| 2012 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, November 4 2012, 02:00 AM |
| 2012 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, March 11 2012, 02:00 AM |
| 2011 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, November 6 2011, 02:00 AM |
| 2011 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, March 13 2011, 12:01 AM |
| 2010 | NST | UTC-03:30 | Newfoundland Standard Time | no | Saturday, November 6 2010, 12:01 AM |
| 2010 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, March 14 2010, 12:01 AM |
| 2009 | NST | UTC-03:30 | Newfoundland Standard Time | no | Saturday, October 31 2009, 12:01 AM |
| 2009 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, March 8 2009, 12:01 AM |
| 2008 | NST | UTC-03:30 | Newfoundland Standard Time | no | Saturday, November 1 2008, 12:01 AM |
| 2008 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, March 9 2008, 12:01 AM |
| 2007 | NST | UTC-03:30 | Newfoundland Standard Time | no | Saturday, November 3 2007, 12:01 AM |
| 2007 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, March 11 2007, 12:01 AM |
| 2006 | NST | UTC-03:30 | Newfoundland Standard Time | no | Saturday, October 28 2006, 12:01 AM |
| 2006 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 2 2006, 12:01 AM |
| 2005 | NST | UTC-03:30 | Newfoundland Standard Time | no | Saturday, October 29 2005, 12:01 AM |
| 2005 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 3 2005, 12:01 AM |
| 2004 | NST | UTC-03:30 | Newfoundland Standard Time | no | Saturday, October 30 2004, 12:01 AM |
| 2004 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 4 2004, 12:01 AM |
| 2003 | NST | UTC-03:30 | Newfoundland Standard Time | no | Saturday, October 25 2003, 12:01 AM |
| 2003 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 6 2003, 12:01 AM |
| 2002 | NST | UTC-03:30 | Newfoundland Standard Time | no | Saturday, October 26 2002, 12:01 AM |
| 2002 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 7 2002, 12:01 AM |
| 2001 | NST | UTC-03:30 | Newfoundland Standard Time | no | Saturday, October 27 2001, 12:01 AM |
| 2001 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 1 2001, 12:01 AM |
| 2000 | NST | UTC-03:30 | Newfoundland Standard Time | no | Saturday, October 28 2000, 12:01 AM |
| 2000 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 2 2000, 12:01 AM |
| 1999 | NST | UTC-03:30 | Newfoundland Standard Time | no | Saturday, October 30 1999, 12:01 AM |
| 1999 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 4 1999, 12:01 AM |
| 1998 | NST | UTC-03:30 | Newfoundland Standard Time | no | Saturday, October 24 1998, 12:01 AM |
| 1998 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 5 1998, 12:01 AM |
| 1997 | NST | UTC-03:30 | Newfoundland Standard Time | no | Saturday, October 25 1997, 12:01 AM |
| 1997 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 6 1997, 12:01 AM |
| 1996 | NST | UTC-03:30 | Newfoundland Standard Time | no | Saturday, October 26 1996, 12:01 AM |
| 1996 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 7 1996, 12:01 AM |
| 1995 | NST | UTC-03:30 | Newfoundland Standard Time | no | Saturday, October 28 1995, 12:01 AM |
| 1995 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 2 1995, 12:01 AM |
| 1994 | NST | UTC-03:30 | Newfoundland Standard Time | no | Saturday, October 29 1994, 12:01 AM |
| 1994 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 3 1994, 12:01 AM |
| 1993 | NST | UTC-03:30 | Newfoundland Standard Time | no | Saturday, October 30 1993, 12:01 AM |
| 1993 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 4 1993, 12:01 AM |
| 1992 | NST | UTC-03:30 | Newfoundland Standard Time | no | Saturday, October 24 1992, 12:01 AM |
| 1992 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 5 1992, 12:01 AM |
| 1991 | NST | UTC-03:30 | Newfoundland Standard Time | no | Saturday, October 26 1991, 12:01 AM |
| 1991 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 7 1991, 12:01 AM |
| 1990 | NST | UTC-03:30 | Newfoundland Standard Time | no | Saturday, October 27 1990, 12:01 AM |
| 1990 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 1 1990, 12:01 AM |
| 1989 | NST | UTC-03:30 | Newfoundland Standard Time | no | Saturday, October 28 1989, 12:01 AM |
| 1989 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 2 1989, 12:01 AM |
| 1988 | NST | UTC-03:30 | Newfoundland Standard Time | no | Saturday, October 29 1988, 12:01 AM |
| 1988 | NDDT | UTC-01:30 | yes | Sunday, April 3 1988, 12:01 AM | |
| 1987 | NST | UTC-03:30 | Newfoundland Standard Time | no | Saturday, October 24 1987, 12:01 AM |
| 1987 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 5 1987, 12:01 AM |
| 1986 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, October 26 1986, 02:00 AM |
| 1986 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 27 1986, 02:00 AM |
| 1985 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, October 27 1985, 02:00 AM |
| 1985 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 28 1985, 02:00 AM |
| 1984 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, October 28 1984, 02:00 AM |
| 1984 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 29 1984, 02:00 AM |
| 1983 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, October 30 1983, 02:00 AM |
| 1983 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 24 1983, 02:00 AM |
| 1982 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, October 31 1982, 02:00 AM |
| 1982 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 25 1982, 02:00 AM |
| 1981 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, October 25 1981, 02:00 AM |
| 1981 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 26 1981, 02:00 AM |
| 1980 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, October 26 1980, 02:00 AM |
| 1980 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 27 1980, 02:00 AM |
| 1979 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, October 28 1979, 02:00 AM |
| 1979 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 29 1979, 02:00 AM |
| 1978 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, October 29 1978, 02:00 AM |
| 1978 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 30 1978, 02:00 AM |
| 1977 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, October 30 1977, 02:00 AM |
| 1977 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 24 1977, 02:00 AM |
| 1976 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, October 31 1976, 02:00 AM |
| 1976 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 25 1976, 02:00 AM |
| 1975 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, October 26 1975, 02:00 AM |
| 1975 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 27 1975, 02:00 AM |
| 1974 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, October 27 1974, 02:00 AM |
| 1974 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 28 1974, 02:00 AM |
| 1973 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, October 28 1973, 02:00 AM |
| 1973 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 29 1973, 02:00 AM |
| 1972 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, October 29 1972, 02:00 AM |
| 1972 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 30 1972, 02:00 AM |
| 1971 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, October 31 1971, 02:00 AM |
| 1971 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 25 1971, 02:00 AM |
| 1970 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, October 25 1970, 02:00 AM |
| 1970 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 26 1970, 02:00 AM |
| 1969 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, October 26 1969, 02:00 AM |
| 1969 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 27 1969, 02:00 AM |
| 1968 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, October 27 1968, 02:00 AM |
| 1968 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 28 1968, 02:00 AM |
| 1967 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, October 29 1967, 02:00 AM |
| 1967 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 30 1967, 02:00 AM |
| 1966 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, October 30 1966, 02:00 AM |
| 1966 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 24 1966, 02:00 AM |
| 1965 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, October 31 1965, 02:00 AM |
| 1965 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 25 1965, 02:00 AM |
| 1964 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, October 25 1964, 02:00 AM |
| 1964 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 26 1964, 02:00 AM |
| 1963 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, October 27 1963, 02:00 AM |
| 1963 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 28 1963, 02:00 AM |
| 1962 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, October 28 1962, 02:00 AM |
| 1962 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 29 1962, 02:00 AM |
| 1961 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, October 29 1961, 02:00 AM |
| 1961 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 30 1961, 02:00 AM |
| 1960 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, October 30 1960, 02:00 AM |
| 1960 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 24 1960, 02:00 AM |
| 1959 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, September 27 1959, 02:00 AM |
| 1959 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 26 1959, 02:00 AM |
| 1958 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, September 28 1958, 02:00 AM |
| 1958 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 27 1958, 02:00 AM |
| 1957 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, September 29 1957, 02:00 AM |
| 1957 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 28 1957, 02:00 AM |
| 1956 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, September 30 1956, 02:00 AM |
| 1956 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 29 1956, 02:00 AM |
| 1955 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, September 25 1955, 02:00 AM |
| 1955 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 24 1955, 02:00 AM |
| 1954 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, September 26 1954, 02:00 AM |
| 1954 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 25 1954, 02:00 AM |
| 1953 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, September 27 1953, 02:00 AM |
| 1953 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 26 1953, 02:00 AM |
| 1952 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, September 28 1952, 02:00 AM |
| 1952 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 27 1952, 02:00 AM |
| 1951 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, September 30 1951, 02:00 AM |
| 1951 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, April 29 1951, 02:00 AM |
| 1950 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, October 8 1950, 02:00 AM |
| 1950 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, May 14 1950, 02:00 AM |
| 1949 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, October 2 1949, 02:00 AM |
| 1949 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, May 8 1949, 02:00 AM |
| 1948 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, October 3 1948, 02:00 AM |
| 1948 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, May 9 1948, 02:00 AM |
| 1947 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, October 5 1947, 02:00 AM |
| 1947 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, May 11 1947, 02:00 AM |
| 1946 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, October 6 1946, 02:00 AM |
| 1946 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Sunday, May 12 1946, 02:00 AM |
| 1945 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, September 30 1945, 02:00 AM |
| 1945 | NPT | UTC-02:30 | yes | Tuesday, August 14 1945, 08:30 PM | |
| 1942 | NWT | UTC-02:30 | yes | Monday, May 11 1942, 12:00 AM | |
| 1941 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, October 5 1941, 12:00 AM |
| 1941 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Monday, May 12 1941, 12:00 AM |
| 1940 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, October 6 1940, 12:00 AM |
| 1940 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Monday, May 13 1940, 12:00 AM |
| 1939 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, October 1 1939, 12:00 AM |
| 1939 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Monday, May 15 1939, 12:00 AM |
| 1938 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, October 2 1938, 12:00 AM |
| 1938 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Monday, May 9 1938, 12:00 AM |
| 1937 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, October 3 1937, 12:00 AM |
| 1937 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Monday, May 10 1937, 12:00 AM |
| 1936 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, October 4 1936, 12:00 AM |
| 1936 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Monday, May 11 1936, 12:00 AM |
| 1935 | NST | UTC-03:30 | Newfoundland Standard Time | no | Sunday, October 27 1935, 11:00 PM |
| 1935 | NDT | UTC-02:30 | Newfoundland Daylight Time | yes | Monday, May 6 1935, 11:00 PM |
| 1935 | NST | UTC-03:30 | Newfoundland Standard Time | no | Saturday, March 30 1935, 12:00 AM |
| 1934 | NST | UTC-03:30:52 | Newfoundland Standard Time | no | Sunday, October 28 1934, 11:00 PM |
| 1934 | NDT | UTC-02:30:52 | Newfoundland Daylight Time | yes | Monday, May 7 1934, 11:00 PM |
| 1933 | NST | UTC-03:30:52 | Newfoundland Standard Time | no | Sunday, October 29 1933, 11:00 PM |
| 1933 | NDT | UTC-02:30:52 | Newfoundland Daylight Time | yes | Monday, May 8 1933, 11:00 PM |
| 1932 | NST | UTC-03:30:52 | Newfoundland Standard Time | no | Sunday, October 30 1932, 11:00 PM |
| 1932 | NDT | UTC-02:30:52 | Newfoundland Daylight Time | yes | Monday, May 2 1932, 11:00 PM |
| 1931 | NST | UTC-03:30:52 | Newfoundland Standard Time | no | Sunday, October 25 1931, 11:00 PM |
| 1931 | NDT | UTC-02:30:52 | Newfoundland Daylight Time | yes | Monday, May 4 1931, 11:00 PM |
| 1930 | NST | UTC-03:30:52 | Newfoundland Standard Time | no | Sunday, October 26 1930, 11:00 PM |
| 1930 | NDT | UTC-02:30:52 | Newfoundland Daylight Time | yes | Monday, May 5 1930, 11:00 PM |
| 1929 | NST | UTC-03:30:52 | Newfoundland Standard Time | no | Sunday, October 27 1929, 11:00 PM |
| 1929 | NDT | UTC-02:30:52 | Newfoundland Daylight Time | yes | Monday, May 6 1929, 11:00 PM |
| 1928 | NST | UTC-03:30:52 | Newfoundland Standard Time | no | Sunday, October 28 1928, 11:00 PM |
| 1928 | NDT | UTC-02:30:52 | Newfoundland Daylight Time | yes | Monday, May 7 1928, 11:00 PM |
| 1927 | NST | UTC-03:30:52 | Newfoundland Standard Time | no | Sunday, October 30 1927, 11:00 PM |
| 1927 | NDT | UTC-02:30:52 | Newfoundland Daylight Time | yes | Monday, May 2 1927, 11:00 PM |
| 1926 | NST | UTC-03:30:52 | Newfoundland Standard Time | no | Sunday, October 31 1926, 11:00 PM |
| 1926 | NDT | UTC-02:30:52 | Newfoundland Daylight Time | yes | Monday, May 3 1926, 11:00 PM |
| 1925 | NST | UTC-03:30:52 | Newfoundland Standard Time | no | Sunday, October 25 1925, 11:00 PM |
| 1925 | NDT | UTC-02:30:52 | Newfoundland Daylight Time | yes | Monday, May 4 1925, 11:00 PM |
| 1924 | NST | UTC-03:30:52 | Newfoundland Standard Time | no | Sunday, October 26 1924, 11:00 PM |
| 1924 | NDT | UTC-02:30:52 | Newfoundland Daylight Time | yes | Monday, May 5 1924, 11:00 PM |
| 1923 | NST | UTC-03:30:52 | Newfoundland Standard Time | no | Sunday, October 28 1923, 11:00 PM |
| 1923 | NDT | UTC-02:30:52 | Newfoundland Daylight Time | yes | Monday, May 7 1923, 11:00 PM |
| 1922 | NST | UTC-03:30:52 | Newfoundland Standard Time | no | Sunday, October 29 1922, 11:00 PM |
| 1922 | NDT | UTC-02:30:52 | Newfoundland Daylight Time | yes | Monday, May 8 1922, 11:00 PM |
| 1921 | NST | UTC-03:30:52 | Newfoundland Standard Time | no | Sunday, October 30 1921, 11:00 PM |
| 1921 | NDT | UTC-02:30:52 | Newfoundland Daylight Time | yes | Monday, May 2 1921, 11:00 PM |
| 1920 | NST | UTC-03:30:52 | Newfoundland Standard Time | no | Sunday, October 31 1920, 11:00 PM |
| 1920 | NDT | UTC-02:30:52 | Newfoundland Daylight Time | yes | Monday, May 3 1920, 11:00 PM |
| 1919 | NST | UTC-03:30:52 | Newfoundland Standard Time | no | Tuesday, August 12 1919, 11:00 PM |
| 1919 | NDT | UTC-02:30:52 | Newfoundland Daylight Time | yes | Tuesday, May 6 1919, 11:00 PM |
| 1918 | NST | UTC-03:30:52 | Newfoundland Standard Time | no | Sunday, October 27 1918, 02:00 AM |
| 1918 | NDT | UTC-02:30:52 | Newfoundland Daylight Time | yes | Sunday, April 14 1918, 02:00 AM |
| 1917 | NST | UTC-03:30:52 | Newfoundland Standard Time | no | Monday, September 17 1917, 02:00 AM |
| 1917 | NDT | UTC-02:30:52 | Newfoundland Daylight Time | yes | Sunday, April 8 1917, 02:00 AM |
| 1901 | NST | UTC-03:30:52 | Newfoundland Standard Time | no | Friday, December 13 1901, 05:15 PM |
| 2018 | MST | UTC-07 | Mountain Standard Time | no | Sunday, November 4 2018, 02:00 AM |
| 2018 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, March 11 2018, 02:00 AM |
| 2017 | MST | UTC-07 | Mountain Standard Time | no | Sunday, November 5 2017, 02:00 AM |
| 2017 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, March 12 2017, 02:00 AM |
| 2016 | MST | UTC-07 | Mountain Standard Time | no | Sunday, November 6 2016, 02:00 AM |
| 2016 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, March 13 2016, 02:00 AM |
| 2015 | MST | UTC-07 | Mountain Standard Time | no | Sunday, November 1 2015, 02:00 AM |
| 2015 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, March 8 2015, 02:00 AM |
| 2014 | MST | UTC-07 | Mountain Standard Time | no | Sunday, November 2 2014, 02:00 AM |
| 2014 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, March 9 2014, 02:00 AM |
| 2013 | MST | UTC-07 | Mountain Standard Time | no | Sunday, November 3 2013, 02:00 AM |
| 2013 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, March 10 2013, 02:00 AM |
| 2012 | MST | UTC-07 | Mountain Standard Time | no | Sunday, November 4 2012, 02:00 AM |
| 2012 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, March 11 2012, 02:00 AM |
| 2011 | MST | UTC-07 | Mountain Standard Time | no | Sunday, November 6 2011, 02:00 AM |
| 2011 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, March 13 2011, 02:00 AM |
| 2010 | MST | UTC-07 | Mountain Standard Time | no | Sunday, November 7 2010, 02:00 AM |
| 2010 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, March 14 2010, 02:00 AM |
| 2009 | MST | UTC-07 | Mountain Standard Time | no | Sunday, November 1 2009, 02:00 AM |
| 2009 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, March 8 2009, 02:00 AM |
| 2008 | MST | UTC-07 | Mountain Standard Time | no | Sunday, November 2 2008, 02:00 AM |
| 2008 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, March 9 2008, 02:00 AM |
| 2007 | MST | UTC-07 | Mountain Standard Time | no | Sunday, November 4 2007, 02:00 AM |
| 2007 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, March 11 2007, 02:00 AM |
| 2006 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 29 2006, 02:00 AM |
| 2006 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 2 2006, 02:00 AM |
| 2005 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 30 2005, 02:00 AM |
| 2005 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 3 2005, 02:00 AM |
| 2004 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 31 2004, 02:00 AM |
| 2004 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 4 2004, 02:00 AM |
| 2003 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 26 2003, 02:00 AM |
| 2003 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 6 2003, 02:00 AM |
| 2002 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 27 2002, 02:00 AM |
| 2002 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 7 2002, 02:00 AM |
| 2001 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 28 2001, 02:00 AM |
| 2001 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 1 2001, 02:00 AM |
| 2000 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 29 2000, 02:00 AM |
| 2000 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 2 2000, 02:00 AM |
| 1999 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 31 1999, 02:00 AM |
| 1999 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 4 1999, 02:00 AM |
| 1998 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 25 1998, 02:00 AM |
| 1998 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 5 1998, 02:00 AM |
| 1997 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 26 1997, 02:00 AM |
| 1997 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 6 1997, 02:00 AM |
| 1996 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 27 1996, 02:00 AM |
| 1996 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 7 1996, 02:00 AM |
| 1995 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 29 1995, 02:00 AM |
| 1995 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 2 1995, 02:00 AM |
| 1994 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 30 1994, 02:00 AM |
| 1994 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 3 1994, 02:00 AM |
| 1993 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 31 1993, 02:00 AM |
| 1993 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 4 1993, 02:00 AM |
| 1992 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 25 1992, 02:00 AM |
| 1992 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 5 1992, 02:00 AM |
| 1991 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 27 1991, 02:00 AM |
| 1991 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 7 1991, 02:00 AM |
| 1990 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 28 1990, 02:00 AM |
| 1990 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 1 1990, 02:00 AM |
| 1989 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 29 1989, 02:00 AM |
| 1989 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 2 1989, 02:00 AM |
| 1988 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 30 1988, 02:00 AM |
| 1988 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 3 1988, 02:00 AM |
| 1987 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 25 1987, 02:00 AM |
| 1987 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 5 1987, 02:00 AM |
| 1986 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 26 1986, 02:00 AM |
| 1986 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 27 1986, 02:00 AM |
| 1985 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 27 1985, 02:00 AM |
| 1985 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 28 1985, 02:00 AM |
| 1984 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 28 1984, 02:00 AM |
| 1984 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 29 1984, 02:00 AM |
| 1983 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 30 1983, 02:00 AM |
| 1983 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 24 1983, 02:00 AM |
| 1982 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 31 1982, 02:00 AM |
| 1982 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 25 1982, 02:00 AM |
| 1981 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 25 1981, 02:00 AM |
| 1981 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 26 1981, 02:00 AM |
| 1980 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 26 1980, 02:00 AM |
| 1980 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 27 1980, 02:00 AM |
| 1965 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 31 1965, 02:00 AM |
| 1965 | MDDT | UTC-05 | yes | Sunday, April 25 1965, 12:00 AM | |
| 1945 | MST | UTC-07 | Mountain Standard Time | no | Sunday, September 30 1945, 02:00 AM |
| 1945 | MPT | UTC-06 | yes | Tuesday, August 14 1945, 05:00 PM | |
| 1942 | MWT | UTC-06 | yes | Monday, February 9 1942, 02:00 AM | |
| 1934 | MST | UTC-07 | Mountain Standard Time | no | Monday, December 31 1934, 12:00 AM |
| 1901 | -00 | UTC+00 | no | Friday, December 13 1901, 08:45 PM | |
| 2018 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, November 4 2018, 02:00 AM |
| 2018 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, March 11 2018, 02:00 AM |
| 2017 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, November 5 2017, 02:00 AM |
| 2017 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, March 12 2017, 02:00 AM |
| 2016 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, November 6 2016, 02:00 AM |
| 2016 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, March 13 2016, 02:00 AM |
| 2015 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, November 1 2015, 02:00 AM |
| 2015 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, March 8 2015, 02:00 AM |
| 2014 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, November 2 2014, 02:00 AM |
| 2014 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, March 9 2014, 02:00 AM |
| 2013 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, November 3 2013, 02:00 AM |
| 2013 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, March 10 2013, 02:00 AM |
| 2012 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, November 4 2012, 02:00 AM |
| 2012 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, March 11 2012, 02:00 AM |
| 2011 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, November 6 2011, 02:00 AM |
| 2011 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, March 13 2011, 02:00 AM |
| 2010 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, November 7 2010, 02:00 AM |
| 2010 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, March 14 2010, 02:00 AM |
| 2009 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, November 1 2009, 02:00 AM |
| 2009 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, March 8 2009, 02:00 AM |
| 2008 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, November 2 2008, 02:00 AM |
| 2008 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, March 9 2008, 02:00 AM |
| 2007 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, November 4 2007, 02:00 AM |
| 2007 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, March 11 2007, 02:00 AM |
| 2006 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 29 2006, 02:00 AM |
| 2006 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 2 2006, 02:00 AM |
| 2005 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 30 2005, 02:00 AM |
| 2005 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 3 2005, 02:00 AM |
| 2004 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 31 2004, 02:00 AM |
| 2004 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 4 2004, 02:00 AM |
| 2003 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 26 2003, 02:00 AM |
| 2003 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 6 2003, 02:00 AM |
| 2002 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 27 2002, 02:00 AM |
| 2002 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 7 2002, 02:00 AM |
| 2001 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 28 2001, 02:00 AM |
| 2001 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 1 2001, 02:00 AM |
| 2000 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 29 2000, 02:00 AM |
| 2000 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 2 2000, 02:00 AM |
| 1999 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 31 1999, 02:00 AM |
| 1999 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 4 1999, 02:00 AM |
| 1998 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 25 1998, 02:00 AM |
| 1998 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 5 1998, 02:00 AM |
| 1997 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 26 1997, 02:00 AM |
| 1997 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 6 1997, 02:00 AM |
| 1996 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 27 1996, 02:00 AM |
| 1996 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 7 1996, 02:00 AM |
| 1995 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 29 1995, 02:00 AM |
| 1995 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 2 1995, 02:00 AM |
| 1994 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 30 1994, 02:00 AM |
| 1994 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 3 1994, 02:00 AM |
| 1993 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 31 1993, 02:00 AM |
| 1993 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 4 1993, 02:00 AM |
| 1992 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 25 1992, 02:00 AM |
| 1992 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 5 1992, 02:00 AM |
| 1991 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 27 1991, 02:00 AM |
| 1991 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 7 1991, 02:00 AM |
| 1990 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 28 1990, 02:00 AM |
| 1990 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 1 1990, 02:00 AM |
| 1989 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 29 1989, 02:00 AM |
| 1989 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 2 1989, 02:00 AM |
| 1988 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 30 1988, 02:00 AM |
| 1988 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 3 1988, 02:00 AM |
| 1987 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 25 1987, 02:00 AM |
| 1987 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 5 1987, 02:00 AM |
| 1986 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 26 1986, 02:00 AM |
| 1986 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 27 1986, 02:00 AM |
| 1985 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 27 1985, 02:00 AM |
| 1985 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 28 1985, 02:00 AM |
| 1984 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 28 1984, 02:00 AM |
| 1984 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 29 1984, 02:00 AM |
| 1983 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 30 1983, 02:00 AM |
| 1983 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 24 1983, 02:00 AM |
| 1982 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 31 1982, 02:00 AM |
| 1982 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 25 1982, 02:00 AM |
| 1981 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 25 1981, 02:00 AM |
| 1981 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 26 1981, 02:00 AM |
| 1980 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 26 1980, 02:00 AM |
| 1980 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 27 1980, 02:00 AM |
| 1979 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 28 1979, 02:00 AM |
| 1979 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 29 1979, 02:00 AM |
| 1978 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 29 1978, 02:00 AM |
| 1978 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 30 1978, 02:00 AM |
| 1977 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 30 1977, 02:00 AM |
| 1977 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 24 1977, 02:00 AM |
| 1976 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 31 1976, 02:00 AM |
| 1976 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 25 1976, 02:00 AM |
| 1975 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 26 1975, 02:00 AM |
| 1975 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 27 1975, 02:00 AM |
| 1974 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 27 1974, 02:00 AM |
| 1974 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 28 1974, 02:00 AM |
| 1973 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 28 1973, 02:00 AM |
| 1973 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 29 1973, 02:00 AM |
| 1972 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 29 1972, 02:00 AM |
| 1972 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 30 1972, 02:00 AM |
| 1971 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 31 1971, 02:00 AM |
| 1971 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 25 1971, 02:00 AM |
| 1970 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 25 1970, 02:00 AM |
| 1970 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 26 1970, 02:00 AM |
| 1969 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 26 1969, 02:00 AM |
| 1969 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 27 1969, 02:00 AM |
| 1968 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 27 1968, 02:00 AM |
| 1968 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 28 1968, 02:00 AM |
| 1967 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 29 1967, 02:00 AM |
| 1967 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 30 1967, 02:00 AM |
| 1966 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 30 1966, 02:00 AM |
| 1966 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 24 1966, 02:00 AM |
| 1965 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 31 1965, 02:00 AM |
| 1965 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 25 1965, 02:00 AM |
| 1964 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 25 1964, 02:00 AM |
| 1964 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 26 1964, 02:00 AM |
| 1963 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 27 1963, 02:00 AM |
| 1963 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 28 1963, 02:00 AM |
| 1962 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 28 1962, 02:00 AM |
| 1962 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 29 1962, 02:00 AM |
| 1959 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, September 27 1959, 02:00 AM |
| 1959 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 26 1959, 02:00 AM |
| 1958 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, September 28 1958, 02:00 AM |
| 1958 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 27 1958, 02:00 AM |
| 1957 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, September 29 1957, 02:00 AM |
| 1957 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 28 1957, 02:00 AM |
| 1956 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, September 30 1956, 02:00 AM |
| 1956 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 29 1956, 02:00 AM |
| 1954 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, September 26 1954, 02:00 AM |
| 1954 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 25 1954, 02:00 AM |
| 1953 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, September 27 1953, 02:00 AM |
| 1953 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 26 1953, 02:00 AM |
| 1952 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, September 28 1952, 02:00 AM |
| 1952 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 27 1952, 02:00 AM |
| 1951 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, September 30 1951, 02:00 AM |
| 1951 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 29 1951, 02:00 AM |
| 1949 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, September 25 1949, 02:00 AM |
| 1949 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 24 1949, 02:00 AM |
| 1948 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, September 26 1948, 02:00 AM |
| 1948 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 25 1948, 02:00 AM |
| 1947 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, September 28 1947, 02:00 AM |
| 1947 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 27 1947, 02:00 AM |
| 1946 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, September 29 1946, 02:00 AM |
| 1946 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 28 1946, 02:00 AM |
| 1945 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, September 30 1945, 02:00 AM |
| 1945 | APT | UTC-03 | yes | Tuesday, August 14 1945, 08:00 PM | |
| 1942 | AWT | UTC-03 | yes | Monday, February 9 1942, 02:00 AM | |
| 1941 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, September 28 1941, 12:00 AM |
| 1941 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, May 4 1941, 12:00 AM |
| 1940 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, September 29 1940, 12:00 AM |
| 1940 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, May 5 1940, 12:00 AM |
| 1939 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, September 24 1939, 12:00 AM |
| 1939 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, May 28 1939, 12:00 AM |
| 1938 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, September 25 1938, 12:00 AM |
| 1938 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, May 1 1938, 12:00 AM |
| 1937 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, September 26 1937, 12:00 AM |
| 1937 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, May 2 1937, 12:00 AM |
| 1936 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, September 13 1936, 12:00 AM |
| 1936 | ADT | UTC-03 | Atlantic Daylight Time | yes | Monday, June 1 1936, 12:00 AM |
| 1935 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, September 29 1935, 12:00 AM |
| 1935 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, June 2 1935, 12:00 AM |
| 1934 | AST | UTC-04 | Atlantic Standard Time | no | Saturday, September 15 1934, 12:00 AM |
| 1934 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, May 20 1934, 12:00 AM |
| 1933 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 1 1933, 12:00 AM |
| 1933 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 30 1933, 12:00 AM |
| 1932 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, September 25 1932, 12:00 AM |
| 1932 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, May 1 1932, 12:00 AM |
| 1931 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, September 27 1931, 12:00 AM |
| 1931 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, May 10 1931, 12:00 AM |
| 1930 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, September 14 1930, 12:00 AM |
| 1930 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, May 11 1930, 12:00 AM |
| 1929 | AST | UTC-04 | Atlantic Standard Time | no | Monday, September 2 1929, 12:00 AM |
| 1929 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, May 12 1929, 12:00 AM |
| 1928 | AST | UTC-04 | Atlantic Standard Time | no | Saturday, September 8 1928, 12:00 AM |
| 1928 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, May 13 1928, 12:00 AM |
| 1927 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, September 25 1927, 12:00 AM |
| 1927 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, May 1 1927, 12:00 AM |
| 1926 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, September 12 1926, 12:00 AM |
| 1926 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, May 16 1926, 12:00 AM |
| 1925 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, September 27 1925, 12:00 AM |
| 1925 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, May 3 1925, 12:00 AM |
| 1924 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, September 14 1924, 12:00 AM |
| 1924 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, May 4 1924, 12:00 AM |
| 1923 | AST | UTC-04 | Atlantic Standard Time | no | Monday, September 3 1923, 12:00 AM |
| 1923 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, May 6 1923, 12:00 AM |
| 1922 | AST | UTC-04 | Atlantic Standard Time | no | Monday, September 4 1922, 12:00 AM |
| 1922 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 30 1922, 12:00 AM |
| 1921 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, September 4 1921, 12:00 AM |
| 1921 | ADT | UTC-03 | Atlantic Daylight Time | yes | Friday, May 6 1921, 12:00 AM |
| 1920 | AST | UTC-04 | Atlantic Standard Time | no | Saturday, August 28 1920, 12:00 AM |
| 1920 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, May 9 1920, 12:00 AM |
| 1918 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, October 27 1918, 02:00 AM |
| 1918 | ADT | UTC-03 | Atlantic Daylight Time | yes | Sunday, April 14 1918, 02:00 AM |
| 1916 | AST | UTC-04 | Atlantic Standard Time | no | Saturday, September 30 1916, 12:00 AM |
| 1916 | ADT | UTC-03 | Atlantic Daylight Time | yes | Saturday, April 1 1916, 12:00 AM |
| 1902 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, June 15 1902, 12:00 AM |
| 1901 | LMT | UTC-04:14:24 | no | Friday, December 13 1901, 04:31 PM | |
| 2018 | EST | UTC-05 | Eastern Standard Time | no | Sunday, November 4 2018, 02:00 AM |
| 2018 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, March 11 2018, 02:00 AM |
| 2017 | EST | UTC-05 | Eastern Standard Time | no | Sunday, November 5 2017, 02:00 AM |
| 2017 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, March 12 2017, 02:00 AM |
| 2016 | EST | UTC-05 | Eastern Standard Time | no | Sunday, November 6 2016, 02:00 AM |
| 2016 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, March 13 2016, 02:00 AM |
| 2015 | EST | UTC-05 | Eastern Standard Time | no | Sunday, November 1 2015, 02:00 AM |
| 2015 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, March 8 2015, 02:00 AM |
| 2014 | EST | UTC-05 | Eastern Standard Time | no | Sunday, November 2 2014, 02:00 AM |
| 2014 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, March 9 2014, 02:00 AM |
| 2013 | EST | UTC-05 | Eastern Standard Time | no | Sunday, November 3 2013, 02:00 AM |
| 2013 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, March 10 2013, 02:00 AM |
| 2012 | EST | UTC-05 | Eastern Standard Time | no | Sunday, November 4 2012, 02:00 AM |
| 2012 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, March 11 2012, 02:00 AM |
| 2011 | EST | UTC-05 | Eastern Standard Time | no | Sunday, November 6 2011, 02:00 AM |
| 2011 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, March 13 2011, 02:00 AM |
| 2010 | EST | UTC-05 | Eastern Standard Time | no | Sunday, November 7 2010, 02:00 AM |
| 2010 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, March 14 2010, 02:00 AM |
| 2009 | EST | UTC-05 | Eastern Standard Time | no | Sunday, November 1 2009, 02:00 AM |
| 2009 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, March 8 2009, 02:00 AM |
| 2008 | EST | UTC-05 | Eastern Standard Time | no | Sunday, November 2 2008, 02:00 AM |
| 2008 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, March 9 2008, 02:00 AM |
| 2007 | EST | UTC-05 | Eastern Standard Time | no | Sunday, November 4 2007, 02:00 AM |
| 2007 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, March 11 2007, 02:00 AM |
| 2006 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 29 2006, 02:00 AM |
| 2006 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 2 2006, 02:00 AM |
| 2005 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 30 2005, 02:00 AM |
| 2005 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 3 2005, 02:00 AM |
| 2004 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 31 2004, 02:00 AM |
| 2004 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 4 2004, 02:00 AM |
| 2003 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 26 2003, 02:00 AM |
| 2003 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 6 2003, 02:00 AM |
| 2002 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 27 2002, 02:00 AM |
| 2002 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 7 2002, 02:00 AM |
| 2001 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 28 2001, 02:00 AM |
| 2001 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 1 2001, 02:00 AM |
| 2000 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 29 2000, 02:00 AM |
| 2000 | CDT | UTC-05 | Central Daylight Time | yes | Sunday, April 2 2000, 02:00 AM |
| 1999 | CST | UTC-06 | Central Standard Time | no | Sunday, October 31 1999, 02:00 AM |
| 1999 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 4 1999, 02:00 AM |
| 1998 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 25 1998, 02:00 AM |
| 1998 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 5 1998, 02:00 AM |
| 1997 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 26 1997, 02:00 AM |
| 1997 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 6 1997, 02:00 AM |
| 1996 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 27 1996, 02:00 AM |
| 1996 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 7 1996, 02:00 AM |
| 1995 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 29 1995, 02:00 AM |
| 1995 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 2 1995, 02:00 AM |
| 1994 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 30 1994, 02:00 AM |
| 1994 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 3 1994, 02:00 AM |
| 1993 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 31 1993, 02:00 AM |
| 1993 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 4 1993, 02:00 AM |
| 1992 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 25 1992, 02:00 AM |
| 1992 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 5 1992, 02:00 AM |
| 1991 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 27 1991, 02:00 AM |
| 1991 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 7 1991, 02:00 AM |
| 1990 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 28 1990, 02:00 AM |
| 1990 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 1 1990, 02:00 AM |
| 1989 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 29 1989, 02:00 AM |
| 1989 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 2 1989, 02:00 AM |
| 1988 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 30 1988, 02:00 AM |
| 1988 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 3 1988, 02:00 AM |
| 1987 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 25 1987, 02:00 AM |
| 1987 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 5 1987, 02:00 AM |
| 1986 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 26 1986, 02:00 AM |
| 1986 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 27 1986, 02:00 AM |
| 1985 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 27 1985, 02:00 AM |
| 1985 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 28 1985, 02:00 AM |
| 1984 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 28 1984, 02:00 AM |
| 1984 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 29 1984, 02:00 AM |
| 1983 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 30 1983, 02:00 AM |
| 1983 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 24 1983, 02:00 AM |
| 1982 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 31 1982, 02:00 AM |
| 1982 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 25 1982, 02:00 AM |
| 1981 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 25 1981, 02:00 AM |
| 1981 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 26 1981, 02:00 AM |
| 1980 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 26 1980, 02:00 AM |
| 1980 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 27 1980, 02:00 AM |
| 1965 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 31 1965, 02:00 AM |
| 1965 | EDDT | UTC-03 | yes | Sunday, April 25 1965, 12:00 AM | |
| 1945 | EST | UTC-05 | Eastern Standard Time | no | Sunday, September 30 1945, 02:00 AM |
| 1945 | EPT | UTC-04 | yes | Tuesday, August 14 1945, 07:00 PM | |
| 1942 | EWT | UTC-04 | yes | Friday, July 31 1942, 12:00 AM | |
| 1901 | -00 | UTC+00 | no | Friday, December 13 1901, 08:45 PM | |
| 2018 | EST | UTC-05 | Eastern Standard Time | no | Sunday, November 4 2018, 02:00 AM |
| 2018 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, March 11 2018, 02:00 AM |
| 2017 | EST | UTC-05 | Eastern Standard Time | no | Sunday, November 5 2017, 02:00 AM |
| 2017 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, March 12 2017, 02:00 AM |
| 2016 | EST | UTC-05 | Eastern Standard Time | no | Sunday, November 6 2016, 02:00 AM |
| 2016 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, March 13 2016, 02:00 AM |
| 2015 | EST | UTC-05 | Eastern Standard Time | no | Sunday, November 1 2015, 02:00 AM |
| 2015 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, March 8 2015, 02:00 AM |
| 2014 | EST | UTC-05 | Eastern Standard Time | no | Sunday, November 2 2014, 02:00 AM |
| 2014 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, March 9 2014, 02:00 AM |
| 2013 | EST | UTC-05 | Eastern Standard Time | no | Sunday, November 3 2013, 02:00 AM |
| 2013 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, March 10 2013, 02:00 AM |
| 2012 | EST | UTC-05 | Eastern Standard Time | no | Sunday, November 4 2012, 02:00 AM |
| 2012 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, March 11 2012, 02:00 AM |
| 2011 | EST | UTC-05 | Eastern Standard Time | no | Sunday, November 6 2011, 02:00 AM |
| 2011 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, March 13 2011, 02:00 AM |
| 2010 | EST | UTC-05 | Eastern Standard Time | no | Sunday, November 7 2010, 02:00 AM |
| 2010 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, March 14 2010, 02:00 AM |
| 2009 | EST | UTC-05 | Eastern Standard Time | no | Sunday, November 1 2009, 02:00 AM |
| 2009 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, March 8 2009, 02:00 AM |
| 2008 | EST | UTC-05 | Eastern Standard Time | no | Sunday, November 2 2008, 02:00 AM |
| 2008 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, March 9 2008, 02:00 AM |
| 2007 | EST | UTC-05 | Eastern Standard Time | no | Sunday, November 4 2007, 02:00 AM |
| 2007 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, March 11 2007, 02:00 AM |
| 2006 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 29 2006, 02:00 AM |
| 2006 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 2 2006, 02:00 AM |
| 2005 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 30 2005, 02:00 AM |
| 2005 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 3 2005, 02:00 AM |
| 2004 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 31 2004, 02:00 AM |
| 2004 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 4 2004, 02:00 AM |
| 2003 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 26 2003, 02:00 AM |
| 2003 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 6 2003, 02:00 AM |
| 2002 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 27 2002, 02:00 AM |
| 2002 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 7 2002, 02:00 AM |
| 2001 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 28 2001, 02:00 AM |
| 2001 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 1 2001, 02:00 AM |
| 2000 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 29 2000, 02:00 AM |
| 2000 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 2 2000, 02:00 AM |
| 1999 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 31 1999, 02:00 AM |
| 1999 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 4 1999, 02:00 AM |
| 1998 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 25 1998, 02:00 AM |
| 1998 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 5 1998, 02:00 AM |
| 1997 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 26 1997, 02:00 AM |
| 1997 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 6 1997, 02:00 AM |
| 1996 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 27 1996, 02:00 AM |
| 1996 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 7 1996, 02:00 AM |
| 1995 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 29 1995, 02:00 AM |
| 1995 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 2 1995, 02:00 AM |
| 1994 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 30 1994, 02:00 AM |
| 1994 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 3 1994, 02:00 AM |
| 1993 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 31 1993, 02:00 AM |
| 1993 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 4 1993, 02:00 AM |
| 1992 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 25 1992, 02:00 AM |
| 1992 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 5 1992, 02:00 AM |
| 1991 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 27 1991, 02:00 AM |
| 1991 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 7 1991, 02:00 AM |
| 1990 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 28 1990, 02:00 AM |
| 1990 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 1 1990, 02:00 AM |
| 1989 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 29 1989, 02:00 AM |
| 1989 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 2 1989, 02:00 AM |
| 1988 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 30 1988, 02:00 AM |
| 1988 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 3 1988, 02:00 AM |
| 1987 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 25 1987, 02:00 AM |
| 1987 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 5 1987, 02:00 AM |
| 1986 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 26 1986, 02:00 AM |
| 1986 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 27 1986, 02:00 AM |
| 1985 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 27 1985, 02:00 AM |
| 1985 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 28 1985, 02:00 AM |
| 1984 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 28 1984, 02:00 AM |
| 1984 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 29 1984, 02:00 AM |
| 1983 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 30 1983, 02:00 AM |
| 1983 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 24 1983, 02:00 AM |
| 1982 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 31 1982, 02:00 AM |
| 1982 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 25 1982, 02:00 AM |
| 1981 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 25 1981, 02:00 AM |
| 1981 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 26 1981, 02:00 AM |
| 1980 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 26 1980, 02:00 AM |
| 1980 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 27 1980, 02:00 AM |
| 1979 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 28 1979, 02:00 AM |
| 1979 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 29 1979, 02:00 AM |
| 1978 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 29 1978, 02:00 AM |
| 1978 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 30 1978, 02:00 AM |
| 1977 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 30 1977, 02:00 AM |
| 1977 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 24 1977, 02:00 AM |
| 1976 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 31 1976, 02:00 AM |
| 1976 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 25 1976, 02:00 AM |
| 1975 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 26 1975, 02:00 AM |
| 1975 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 27 1975, 02:00 AM |
| 1974 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 27 1974, 02:00 AM |
| 1974 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 28 1974, 02:00 AM |
| 1973 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 28 1973, 02:00 AM |
| 1973 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 29 1973, 02:00 AM |
| 1972 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 29 1972, 02:00 AM |
| 1972 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 30 1972, 02:00 AM |
| 1971 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 31 1971, 02:00 AM |
| 1971 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 25 1971, 02:00 AM |
| 1970 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 25 1970, 02:00 AM |
| 1970 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 26 1970, 02:00 AM |
| 1969 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 26 1969, 02:00 AM |
| 1969 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 27 1969, 02:00 AM |
| 1968 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 27 1968, 02:00 AM |
| 1968 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 28 1968, 02:00 AM |
| 1967 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 29 1967, 02:00 AM |
| 1967 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 30 1967, 02:00 AM |
| 1966 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 30 1966, 02:00 AM |
| 1966 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 24 1966, 02:00 AM |
| 1965 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 31 1965, 02:00 AM |
| 1965 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 25 1965, 02:00 AM |
| 1964 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 25 1964, 02:00 AM |
| 1964 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 26 1964, 02:00 AM |
| 1963 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 27 1963, 02:00 AM |
| 1963 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 28 1963, 02:00 AM |
| 1962 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 28 1962, 02:00 AM |
| 1962 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 29 1962, 02:00 AM |
| 1961 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 29 1961, 02:00 AM |
| 1961 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 30 1961, 02:00 AM |
| 1960 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 30 1960, 02:00 AM |
| 1960 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 24 1960, 02:00 AM |
| 1959 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 25 1959, 02:00 AM |
| 1959 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 26 1959, 02:00 AM |
| 1958 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 26 1958, 02:00 AM |
| 1958 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 27 1958, 02:00 AM |
| 1957 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 27 1957, 02:00 AM |
| 1957 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 28 1957, 02:00 AM |
| 1956 | EST | UTC-05 | Eastern Standard Time | no | Sunday, September 30 1956, 02:00 AM |
| 1956 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 29 1956, 02:00 AM |
| 1955 | EST | UTC-05 | Eastern Standard Time | no | Sunday, September 25 1955, 02:00 AM |
| 1955 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 24 1955, 02:00 AM |
| 1954 | EST | UTC-05 | Eastern Standard Time | no | Sunday, September 26 1954, 02:00 AM |
| 1954 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 25 1954, 02:00 AM |
| 1953 | EST | UTC-05 | Eastern Standard Time | no | Sunday, September 27 1953, 02:00 AM |
| 1953 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 26 1953, 02:00 AM |
| 1952 | EST | UTC-05 | Eastern Standard Time | no | Sunday, September 28 1952, 02:00 AM |
| 1952 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 27 1952, 02:00 AM |
| 1951 | EST | UTC-05 | Eastern Standard Time | no | Sunday, September 30 1951, 02:00 AM |
| 1951 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 29 1951, 02:00 AM |
| 1950 | EST | UTC-05 | Eastern Standard Time | no | Sunday, November 26 1950, 02:00 AM |
| 1950 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 30 1950, 02:00 AM |
| 1949 | EST | UTC-05 | Eastern Standard Time | no | Saturday, November 26 1949, 12:00 AM |
| 1949 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 24 1949, 12:00 AM |
| 1948 | EST | UTC-05 | Eastern Standard Time | no | Saturday, September 25 1948, 12:00 AM |
| 1948 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 25 1948, 12:00 AM |
| 1947 | EST | UTC-05 | Eastern Standard Time | no | Saturday, September 27 1947, 12:00 AM |
| 1947 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 27 1947, 12:00 AM |
| 1946 | EST | UTC-05 | Eastern Standard Time | no | Sunday, September 29 1946, 02:00 AM |
| 1946 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 28 1946, 02:00 AM |
| 1945 | EST | UTC-05 | Eastern Standard Time | no | Sunday, September 30 1945, 02:00 AM |
| 1945 | EPT | UTC-04 | yes | Tuesday, August 14 1945, 07:00 PM | |
| 1942 | EWT | UTC-04 | yes | Monday, February 9 1942, 03:00 AM | |
| 1940 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 28 1940, 02:00 AM |
| 1939 | EST | UTC-05 | Eastern Standard Time | no | Sunday, September 24 1939, 02:00 AM |
| 1939 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 30 1939, 02:00 AM |
| 1938 | EST | UTC-05 | Eastern Standard Time | no | Sunday, September 25 1938, 02:00 AM |
| 1938 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 24 1938, 02:00 AM |
| 1937 | EST | UTC-05 | Eastern Standard Time | no | Sunday, September 26 1937, 02:00 AM |
| 1937 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 25 1937, 02:00 AM |
| 1936 | EST | UTC-05 | Eastern Standard Time | no | Sunday, September 27 1936, 02:00 AM |
| 1936 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 26 1936, 02:00 AM |
| 1935 | EST | UTC-05 | Eastern Standard Time | no | Sunday, September 29 1935, 02:00 AM |
| 1935 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 28 1935, 02:00 AM |
| 1934 | EST | UTC-05 | Eastern Standard Time | no | Sunday, September 30 1934, 02:00 AM |
| 1934 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 29 1934, 02:00 AM |
| 1933 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 1 1933, 02:00 AM |
| 1933 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 30 1933, 02:00 AM |
| 1932 | EST | UTC-05 | Eastern Standard Time | no | Sunday, September 25 1932, 02:00 AM |
| 1932 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, May 1 1932, 02:00 AM |
| 1931 | EST | UTC-05 | Eastern Standard Time | no | Sunday, September 27 1931, 02:00 AM |
| 1931 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 26 1931, 02:00 AM |
| 1930 | EST | UTC-05 | Eastern Standard Time | no | Sunday, September 28 1930, 02:00 AM |
| 1930 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 27 1930, 02:00 AM |
| 1929 | EST | UTC-05 | Eastern Standard Time | no | Sunday, September 29 1929, 02:00 AM |
| 1929 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 28 1929, 02:00 AM |
| 1928 | EST | UTC-05 | Eastern Standard Time | no | Sunday, September 30 1928, 02:00 AM |
| 1928 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 29 1928, 02:00 AM |
| 1927 | EST | UTC-05 | Eastern Standard Time | no | Sunday, September 25 1927, 02:00 AM |
| 1927 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, May 1 1927, 02:00 AM |
| 1926 | EST | UTC-05 | Eastern Standard Time | no | Sunday, September 19 1926, 02:00 AM |
| 1926 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, May 2 1926, 02:00 AM |
| 1925 | EST | UTC-05 | Eastern Standard Time | no | Sunday, September 20 1925, 02:00 AM |
| 1925 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, May 3 1925, 02:00 AM |
| 1924 | EST | UTC-05 | Eastern Standard Time | no | Sunday, September 21 1924, 02:00 AM |
| 1924 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, May 4 1924, 02:00 AM |
| 1923 | EST | UTC-05 | Eastern Standard Time | no | Sunday, September 16 1923, 02:00 AM |
| 1923 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, May 13 1923, 02:00 AM |
| 1922 | EST | UTC-05 | Eastern Standard Time | no | Sunday, September 17 1922, 02:00 AM |
| 1922 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, May 14 1922, 02:00 AM |
| 1921 | EST | UTC-05 | Eastern Standard Time | no | Thursday, September 15 1921, 02:00 AM |
| 1921 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, May 15 1921, 02:00 AM |
| 1920 | EST | UTC-05 | Eastern Standard Time | no | Saturday, September 25 1920, 12:00 AM |
| 1920 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, May 2 1920, 02:00 AM |
| 1919 | EST | UTC-05 | Eastern Standard Time | no | Saturday, October 25 1919, 12:00 AM |
| 1919 | EDT | UTC-04 | Eastern Daylight Time | yes | Monday, March 31 1919, 11:30 PM |
| 1918 | EST | UTC-05 | Eastern Standard Time | no | Sunday, October 27 1918, 02:00 AM |
| 1918 | EDT | UTC-04 | Eastern Daylight Time | yes | Sunday, April 14 1918, 02:00 AM |
| 1901 | EST | UTC-05 | Eastern Standard Time | no | Friday, December 13 1901, 03:45 PM |
| 1960 | CST | UTC-06 | Central Standard Time | no | Sunday, April 24 1960, 02:00 AM |
| 1959 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 25 1959, 02:00 AM |
| 1959 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 26 1959, 02:00 AM |
| 1957 | MST | UTC-07 | Mountain Standard Time | no | Sunday, September 29 1957, 02:00 AM |
| 1957 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 28 1957, 02:00 AM |
| 1956 | MST | UTC-07 | Mountain Standard Time | no | Sunday, September 30 1956, 02:00 AM |
| 1956 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 29 1956, 02:00 AM |
| 1955 | MST | UTC-07 | Mountain Standard Time | no | Sunday, September 25 1955, 02:00 AM |
| 1955 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 24 1955, 02:00 AM |
| 1954 | MST | UTC-07 | Mountain Standard Time | no | Sunday, September 26 1954, 02:00 AM |
| 1954 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 25 1954, 02:00 AM |
| 1953 | MST | UTC-07 | Mountain Standard Time | no | Sunday, September 27 1953, 02:00 AM |
| 1953 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 26 1953, 02:00 AM |
| 1952 | MST | UTC-07 | Mountain Standard Time | no | Sunday, September 28 1952, 02:00 AM |
| 1952 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 27 1952, 02:00 AM |
| 1951 | MST | UTC-07 | Mountain Standard Time | no | Sunday, September 30 1951, 02:00 AM |
| 1951 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 29 1951, 02:00 AM |
| 1950 | MST | UTC-07 | Mountain Standard Time | no | Sunday, September 24 1950, 02:00 AM |
| 1950 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 30 1950, 02:00 AM |
| 1949 | MST | UTC-07 | Mountain Standard Time | no | Sunday, September 25 1949, 02:00 AM |
| 1949 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 24 1949, 02:00 AM |
| 1948 | MST | UTC-07 | Mountain Standard Time | no | Sunday, September 26 1948, 02:00 AM |
| 1948 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 25 1948, 02:00 AM |
| 1947 | MST | UTC-07 | Mountain Standard Time | no | Sunday, September 28 1947, 02:00 AM |
| 1947 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 27 1947, 02:00 AM |
| 1946 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 13 1946, 02:00 AM |
| 1946 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 14 1946, 02:00 AM |
| 1945 | MST | UTC-07 | Mountain Standard Time | no | Sunday, September 30 1945, 02:00 AM |
| 1945 | MPT | UTC-06 | yes | Tuesday, August 14 1945, 05:00 PM | |
| 1942 | MWT | UTC-06 | yes | Monday, February 9 1942, 02:00 AM | |
| 1941 | MST | UTC-07 | Mountain Standard Time | no | Saturday, October 11 1941, 12:00 AM |
| 1941 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 13 1941, 12:00 AM |
| 1940 | MST | UTC-07 | Mountain Standard Time | no | Saturday, October 12 1940, 12:00 AM |
| 1940 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 14 1940, 12:00 AM |
| 1939 | MST | UTC-07 | Mountain Standard Time | no | Saturday, October 7 1939, 12:00 AM |
| 1939 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 9 1939, 12:00 AM |
| 1938 | MST | UTC-07 | Mountain Standard Time | no | Saturday, October 1 1938, 12:00 AM |
| 1938 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 10 1938, 12:00 AM |
| 1937 | MST | UTC-07 | Mountain Standard Time | no | Saturday, October 9 1937, 12:00 AM |
| 1937 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 11 1937, 12:00 AM |
| 1934 | MST | UTC-07 | Mountain Standard Time | no | Saturday, October 6 1934, 12:00 AM |
| 1934 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, May 6 1934, 12:00 AM |
| 1933 | MST | UTC-07 | Mountain Standard Time | no | Saturday, September 30 1933, 12:00 AM |
| 1933 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, May 7 1933, 12:00 AM |
| 1932 | MST | UTC-07 | Mountain Standard Time | no | Saturday, October 1 1932, 12:00 AM |
| 1932 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, May 1 1932, 12:00 AM |
| 1931 | MST | UTC-07 | Mountain Standard Time | no | Saturday, October 3 1931, 12:00 AM |
| 1931 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, May 3 1931, 12:00 AM |
| 1930 | MST | UTC-07 | Mountain Standard Time | no | Saturday, October 4 1930, 12:00 AM |
| 1930 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, May 4 1930, 12:00 AM |
| 1918 | MST | UTC-07 | Mountain Standard Time | no | Sunday, October 27 1918, 02:00 AM |
| 1918 | MDT | UTC-06 | Mountain Daylight Time | yes | Sunday, April 14 1918, 02:00 AM |
| 1905 | MST | UTC-07 | Mountain Standard Time | no | Thursday, August 31 1905, 12:00 AM |
| 1901 | LMT | UTC-06:58:36 | no | Friday, December 13 1901, 01:47 PM | |
| 2018 | PST | UTC-08 | Pacific Standard Time | no | Sunday, November 4 2018, 02:00 AM |
| 2018 | PDT | UTC-07 | Pacific Daylight Time | yes | Sunday, March 11 2018, 02:00 AM |
| 2017 | PST | UTC-08 | Pacific Standard Time | no | Sunday, November 5 2017, 02:00 AM |
| 2017 | PDT | UTC-07 | Pacific Daylight Time | yes | Sunday, March 12 2017, 02:00 AM |
| 2016 | PST | UTC-08 | Pacific Standard Time | no | Sunday, November 6 2016, 02:00 AM |
| 2016 | PDT | UTC-07 | Pacific Daylight Time | yes | Sunday, March 13 2016, 02:00 AM |
| 2015 | PST | UTC-08 | Pacific Standard Time | no | Sunday, November 1 2015, 02:00 AM |
| 2015 | PDT | UTC-07 | Pacific Daylight Time | yes | Sunday, March 8 2015, 02:00 AM |
| 2014 | PST | UTC-08 | Pacific Standard Time | no | Sunday, November 2 2014, 02:00 AM |
| 2014 | PDT | UTC-07 | Pacific Daylight Time | yes | Sunday, March 9 2014, 02:00 AM |
| 2013 | PST | UTC-08 | Pacific Standard Time | no | Sunday, November 3 2013, 02:00 AM |
| 2013 | PDT | UTC-07 | Pacific Daylight Time | yes | Sunday, March 10 2013, 02:00 AM |
| 2012 | PST | UTC-08 | Pacific Standard Time | no | Sunday, November 4 2012, 02:00 AM |
| 2012 | PDT | UTC-07 | Pacific Daylight Time | yes | Sunday, March 11 2012, 02:00 AM |
| 2011 | PST | UTC-08 | Pacific Standard Time | no | Sunday, November 6 2011, 02:00 AM |
| 2011 | PDT | UTC-07 | Pacific Daylight Time | yes | Sunday, March 13 2011, 02:00 AM |
| 2010 | PST | UTC-08 | Pacific Standard Time | no | Sunday, November 7 2010, 02:00 AM |
| 2010 | PDT | UTC-07 | Pacific Daylight Time | yes | Sunday, March 14 2010, 02:00 AM |
| 2009 | PST | UTC-08 | Pacific Standard Time | no | Sunday, November 1 2009, 02:00 AM |
| 2009 | PDT | UTC-07 | Pacific Daylight Time | yes | Sunday, March 8 2009, 02:00 AM |
| 2008 | PST | UTC-08 | Pacific Standard Time | no | Sunday, November 2 2008, 02:00 AM |
| 2008 | PDT | UTC-07 | Pacific Daylight Time | yes | Sunday, March 9 2008, 02:00 AM |
| 2007 | PST | UTC-08 | Pacific Standard Time | no | Sunday, November 4 2007, 02:00 AM |
| 2007 | PDT | UTC-07 | Pacific Daylight Time | yes | Sunday, March 11 2007, 02:00 AM |
| 2006 | PST | UTC-08 | Pacific Standard Time | no | Sunday, October 29 2006, 02:00 AM |
| 2006 | PDT | UTC-07 | Pacific Daylight Time | yes | Sunday, April 2 2006, 02:00 AM |
| 2005 | PST | UTC-08 | Pacific Standard Time | no | Sunday, October 30 2005, 02:00 AM |
| 2005 | PDT | UTC-07 | Pacific Daylight Time | yes | Sunday, April 3 2005, 02:00 AM |
| 2004 | PST | UTC-08 | Pacific Standard Time | no | Sunday, October 31 2004, 02:00 AM |
| 2004 | PDT | UTC-07 | Pacific Daylight Time | yes | Sunday, April 4 2004, 02:00 AM |
| 2003 | PST | UTC-08 | Pacific Standard Time | no | Sunday, October 26 2003, 02:00 AM |
| 2003 | PDT | UTC-07 | Pacific Daylight Time | yes | Sunday, April 6 2003, 02:00 AM |
| 2002 | PST | UTC-08 | Pacific Standard Time | no | Sunday, October 27 2002, 02:00 AM |
| 2002 | PDT | UTC-07 | Pacific Daylight Time | yes | Sunday, April 7 2002, 02:00 AM |
| 2001 | PST | UTC-08 | Pacific Standard Time | no | Sunday, October 28 2001, 02:00 AM |
| 2001 | PDT | UTC-07 | Pacific Daylight Time | yes | Sunday, April 1 2001, 02:00 AM |
| 2000 | PST | UTC-08 | Pacific Standard Time | no | Sunday, October 29 2000, 02:00 AM |
| 2000 | PDT | UTC-07 | Pacific Daylight Time | yes | Sunday, April 2 2000, 02:00 AM |
| 1999 | PST | UTC-08 | Pacific Standard Time | no | Sunday, October 31 1999, 02:00 AM |
| 1999 | PDT | UTC-07 | Pacific Daylight Time | yes | Sunday, April 4 1999, 02:00 AM |
| 1998 | PST | UTC-08 | Pacific Standard Time | no | Sunday, October 25 1998, 02:00 AM |
| 1998 | PDT | UTC-07 | Pacific Daylight Time | yes | Sunday, April 5 1998, 02:00 AM |
| 1997 | PST | UTC-08 | Pacific Standard Time | no | Sunday, October 26 1997, 02:00 AM |
| 1997 | PDT | UTC-07 | Pacific Daylight Time | yes | Sunday, April 6 1997, 02:00 AM |
| 1996 | PST | UTC-08 | Pacific Standard Time | no | Sunday, October 27 1996, 02:00 AM |
| 1996 | PDT | UTC-07 | Pacific Daylight Time | yes | Sunday, April 7 1996, 02:00 AM |
| 1995 | PST | UTC-08 | Pacific Standard Time | no | Sunday, October 29 1995, 02:00 AM |
| 1995 | PDT | UTC-07 | Pacific Daylight Time | yes | Sunday, April 2 1995, 02:00 AM |
| 1994 | PST | UTC-08 | Pacific Standard Time | no | Sunday, October 30 1994, 02:00 AM |
| 1994 | PDT | UTC-07 | Pacific Daylight Time | yes | Sunday, April 3 1994, 02:00 AM |
| 1993 | PST | UTC-08 | Pacific Standard Time | no | Sunday, October 31 1993, 02:00 AM |
| 1993 | PDT | UTC-07 | Pacific Daylight Time | yes | Sunday, April 4 1993, 02:00 AM |
| 1992 | PST | UTC-08 | Pacific Standard Time | no | Sunday, October 25 1992, 02:00 AM |
| 1992 | PDT | UTC-07 | Pacific Daylight Time | yes | Sunday, April 5 1992, 02:00 AM |
| 1991 | PST | UTC-08 | Pacific Standard Time | no | Sunday, October 27 1991, 02:00 AM |
| 1991 | PDT | UTC-07 | Pacific Daylight Time | yes | Sunday, April 7 1991, 02:00 AM |
| 1990 | PST | UTC-08 | Pacific Standard Time | no | Sunday, October 28 1990, 02:00 AM |
| 1990 | PDT | UTC-07 | Pacific Daylight Time | yes | Sunday, April 1 1990, 02:00 AM |
| 1989 | PST | UTC-08 | Pacific Standard Time | no | Sunday, October 29 1989, 02:00 AM |
| 1989 | PDT | UTC-07 | Pacific Daylight Time | yes | Sunday, April 2 1989, 02:00 AM |
| 1988 | PST | UTC-08 | Pacific Standard Time | no | Sunday, October 30 1988, 02:00 AM |
| 1988 | PDT | UTC-07 | Pacific Daylight Time | yes | Sunday, April 3 1988, 02:00 AM |
| 1987 | PST | UTC-08 | Pacific Standard Time | no | Sunday, October 25 1987, 02:00 AM |
| 1987 | PDT | UTC-07 | Pacific Daylight Time | yes | Sunday, April 5 1987, 02:00 AM |
| 1986 | PST | UTC-08 | Pacific Standard Time | no | Sunday, October 26 1986, 02:00 AM |
| 1986 | PDT | UTC-07 | Pacific Daylight Time | yes | Sunday, April 27 1986, 02:00 AM |
| 1985 | PST | UTC-08 | Pacific Standard Time | no | Sunday, October 27 1985, 02:00 AM |
| 1985 | PDT | UTC-07 | Pacific Daylight Time | yes | Sunday, April 28 1985, 02:00 AM |
| 1984 | PST | UTC-08 | Pacific Standard Time | no | Sunday, October 28 1984, 02:00 AM |
| 1984 | PDT | UTC-07 | Pacific Daylight Time | yes | Sunday, April 29 1984, 02:00 AM |
| 1983 | PST | UTC-08 | Pacific Standard Time | no | Sunday, October 30 1983, 02:00 AM |
| 1983 | PDT | UTC-07 | Pacific Daylight Time | yes | Sunday, April 24 1983, 02:00 AM |
| 1982 | PST | UTC-08 | Pacific Standard Time | no | Sunday, October 31 1982, 02:00 AM |
| 1982 | PDT | UTC-07 | Pacific Daylight Time | yes | Sunday, April 25 1982, 02:00 AM |
| 1981 | PST | UTC-08 | Pacific Standard Time | no | Sunday, October 25 1981, 02:00 AM |
| 1981 | PDT | UTC-07 | Pacific Daylight Time | yes | Sunday, April 26 1981, 02:00 AM |
| 1980 | PST | UTC-08 | Pacific Standard Time | no | Sunday, October 26 1980, 02:00 AM |
| 1980 | PDT | UTC-07 | Pacific Daylight Time | yes | Sunday, April 27 1980, 02:00 AM |
| 1967 | PST | UTC-08 | Pacific Standard Time | no | Sunday, May 28 1967, 12:00 AM |
| 1965 | YST | UTC-09 | no | Sunday, October 31 1965, 02:00 AM | |
| 1965 | YDDT | UTC-07 | yes | Sunday, April 25 1965, 12:00 AM | |
| 1945 | YST | UTC-09 | no | Sunday, September 30 1945, 02:00 AM | |
| 1945 | YPT | UTC-08 | yes | Tuesday, August 14 1945, 03:00 PM | |
| 1942 | YWT | UTC-08 | yes | Monday, February 9 1942, 02:00 AM | |
| 1919 | YST | UTC-09 | no | Friday, October 31 1919, 12:00 AM | |
| 1919 | YDT | UTC-08 | yes | Sunday, May 25 1919, 02:00 AM | |
| 1918 | YST | UTC-09 | no | Sunday, October 27 1918, 02:00 AM | |
| 1918 | YDT | UTC-08 | yes | Sunday, April 14 1918, 02:00 AM | |
| 1901 | YST | UTC-09 | no | Friday, December 13 1901, 11:45 AM |