Choose a country from the list to get relevant information:
In Iran, there is only one time zone in use: Iran Standard Time, IRST (UTC+03:30). Time in Iran changes on Wednesday, March 22 2017 at 12:00 AM (at this moment, clocks move forward 1 hour) as Daylight Saving Time starts.
For comparing the current time in Iran 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 Iran are shown below by city, state or region.
| Regions | Standard Time | Daylight Saving Time | ||||||
|---|---|---|---|---|---|---|---|---|
| Time zone | 2016 | 2017 | 2018 | Time zone | 2016 | 2017 | 2018 | |
| Iran Standard Time IRST (UTC+03:30) | Tu, Sep 20. 12:00 AM | Th, Sep 21. 12:00 AM | Fr, Sep 21. 12:00 AM | Iran Daylight Time IRDT (UTC+04:30) | Mo, Mar 21. 12:00 AM | We, Mar 22. 12:00 AM | Th, Mar 22. 12:00 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 | IRST | UTC+03:30 | Iran Standard Time | no | Friday, September 21 2018, 12:00 AM |
| 2018 | IRDT | UTC+04:30 | Iran Daylight Time | yes | Thursday, March 22 2018, 12:00 AM |
| 2017 | IRST | UTC+03:30 | Iran Standard Time | no | Thursday, September 21 2017, 12:00 AM |
| 2017 | IRDT | UTC+04:30 | Iran Daylight Time | yes | Wednesday, March 22 2017, 12:00 AM |
| 2016 | IRST | UTC+03:30 | Iran Standard Time | no | Tuesday, September 20 2016, 12:00 AM |
| 2016 | IRDT | UTC+04:30 | Iran Daylight Time | yes | Monday, March 21 2016, 12:00 AM |
| 2015 | IRST | UTC+03:30 | Iran Standard Time | no | Monday, September 21 2015, 12:00 AM |
| 2015 | IRDT | UTC+04:30 | Iran Daylight Time | yes | Sunday, March 22 2015, 12:00 AM |
| 2014 | IRST | UTC+03:30 | Iran Standard Time | no | Sunday, September 21 2014, 12:00 AM |
| 2014 | IRDT | UTC+04:30 | Iran Daylight Time | yes | Saturday, March 22 2014, 12:00 AM |
| 2013 | IRST | UTC+03:30 | Iran Standard Time | no | Saturday, September 21 2013, 12:00 AM |
| 2013 | IRDT | UTC+04:30 | Iran Daylight Time | yes | Friday, March 22 2013, 12:00 AM |
| 2012 | IRST | UTC+03:30 | Iran Standard Time | no | Thursday, September 20 2012, 12:00 AM |
| 2012 | IRDT | UTC+04:30 | Iran Daylight Time | yes | Wednesday, March 21 2012, 12:00 AM |
| 2011 | IRST | UTC+03:30 | Iran Standard Time | no | Wednesday, September 21 2011, 12:00 AM |
| 2011 | IRDT | UTC+04:30 | Iran Daylight Time | yes | Tuesday, March 22 2011, 12:00 AM |
| 2010 | IRST | UTC+03:30 | Iran Standard Time | no | Tuesday, September 21 2010, 12:00 AM |
| 2010 | IRDT | UTC+04:30 | Iran Daylight Time | yes | Monday, March 22 2010, 12:00 AM |
| 2009 | IRST | UTC+03:30 | Iran Standard Time | no | Monday, September 21 2009, 12:00 AM |
| 2009 | IRDT | UTC+04:30 | Iran Daylight Time | yes | Sunday, March 22 2009, 12:00 AM |
| 2008 | IRST | UTC+03:30 | Iran Standard Time | no | Saturday, September 20 2008, 12:00 AM |
| 2008 | IRDT | UTC+04:30 | Iran Daylight Time | yes | Friday, March 21 2008, 12:00 AM |
| 2005 | IRST | UTC+03:30 | Iran Standard Time | no | Wednesday, September 21 2005, 12:00 AM |
| 2005 | IRDT | UTC+04:30 | Iran Daylight Time | yes | Tuesday, March 22 2005, 12:00 AM |
| 2004 | IRST | UTC+03:30 | Iran Standard Time | no | Monday, September 20 2004, 12:00 AM |
| 2004 | IRDT | UTC+04:30 | Iran Daylight Time | yes | Sunday, March 21 2004, 12:00 AM |
| 2003 | IRST | UTC+03:30 | Iran Standard Time | no | Sunday, September 21 2003, 12:00 AM |
| 2003 | IRDT | UTC+04:30 | Iran Daylight Time | yes | Saturday, March 22 2003, 12:00 AM |
| 2002 | IRST | UTC+03:30 | Iran Standard Time | no | Saturday, September 21 2002, 12:00 AM |
| 2002 | IRDT | UTC+04:30 | Iran Daylight Time | yes | Friday, March 22 2002, 12:00 AM |
| 2001 | IRST | UTC+03:30 | Iran Standard Time | no | Friday, September 21 2001, 12:00 AM |
| 2001 | IRDT | UTC+04:30 | Iran Daylight Time | yes | Thursday, March 22 2001, 12:00 AM |
| 2000 | IRST | UTC+03:30 | Iran Standard Time | no | Wednesday, September 20 2000, 12:00 AM |
| 2000 | IRDT | UTC+04:30 | Iran Daylight Time | yes | Tuesday, March 21 2000, 12:00 AM |
| 1999 | IRST | UTC+03:30 | Iran Standard Time | no | Tuesday, September 21 1999, 12:00 AM |
| 1999 | IRDT | UTC+04:30 | Iran Daylight Time | yes | Monday, March 22 1999, 12:00 AM |
| 1998 | IRST | UTC+03:30 | Iran Standard Time | no | Monday, September 21 1998, 12:00 AM |
| 1998 | IRDT | UTC+04:30 | Iran Daylight Time | yes | Sunday, March 22 1998, 12:00 AM |
| 1997 | IRST | UTC+03:30 | Iran Standard Time | no | Sunday, September 21 1997, 12:00 AM |
| 1997 | IRDT | UTC+04:30 | Iran Daylight Time | yes | Saturday, March 22 1997, 12:00 AM |
| 1996 | IRST | UTC+03:30 | Iran Standard Time | no | Friday, September 20 1996, 12:00 AM |
| 1996 | IRDT | UTC+04:30 | Iran Daylight Time | yes | Thursday, March 21 1996, 12:00 AM |
| 1995 | IRST | UTC+03:30 | Iran Standard Time | no | Thursday, September 21 1995, 12:00 AM |
| 1995 | IRDT | UTC+04:30 | Iran Daylight Time | yes | Wednesday, March 22 1995, 12:00 AM |
| 1994 | IRST | UTC+03:30 | Iran Standard Time | no | Wednesday, September 21 1994, 12:00 AM |
| 1994 | IRDT | UTC+04:30 | Iran Daylight Time | yes | Tuesday, March 22 1994, 12:00 AM |
| 1993 | IRST | UTC+03:30 | Iran Standard Time | no | Tuesday, September 21 1993, 12:00 AM |
| 1993 | IRDT | UTC+04:30 | Iran Daylight Time | yes | Monday, March 22 1993, 12:00 AM |
| 1992 | IRST | UTC+03:30 | Iran Standard Time | no | Monday, September 21 1992, 12:00 AM |
| 1992 | IRDT | UTC+04:30 | Iran Daylight Time | yes | Sunday, March 22 1992, 12:00 AM |
| 1991 | IRST | UTC+03:30 | Iran Standard Time | no | Saturday, September 21 1991, 12:00 AM |
| 1991 | IRDT | UTC+04:30 | Iran Daylight Time | yes | Friday, May 3 1991, 12:00 AM |
| 1980 | IRST | UTC+03:30 | Iran Standard Time | no | Monday, September 22 1980, 12:00 AM |
| 1980 | IRDT | UTC+04:30 | Iran Daylight Time | yes | Friday, March 21 1980, 12:00 AM |
| 1979 | IRST | UTC+03:30 | Iran Standard Time | no | Tuesday, September 18 1979, 12:00 AM |
| 1979 | IRDT | UTC+04:30 | Iran Daylight Time | yes | Wednesday, March 21 1979, 12:00 AM |
| 1978 | IRST | UTC+03:30 | Iran Standard Time | no | Sunday, December 31 1978, 12:00 AM |
| 1978 | IRST | UTC+04 | Iran Standard Time | no | Friday, October 20 1978, 12:00 AM |
| 1978 | IRDT | UTC+05 | Iran Daylight Time | yes | Tuesday, March 21 1978, 12:00 AM |
| 1977 | IRST | UTC+04 | Iran Standard Time | no | Tuesday, November 1 1977, 12:00 AM |
| 1946 | IRST | UTC+03:30 | Iran Standard Time | no | Tuesday, January 1 1946, 12:00 AM |
| 1916 | TMT | UTC+03:25:44 | no | Saturday, January 1 1916, 12:00 AM | |
| 1901 | LMT | UTC+03:25:44 | no | Saturday, December 14 1901, 12:11 AM |