Length of Days in Seoul
We show daylight length in Seoul during 2017 and the dates of equinoxes and solstices. From June 1, 2017 until June 21, 2017 daylight becomes longer. From June 22, 2017 until December 22, 2017 daylight becomes shorter. From December 23, 2017 until May 31, 2018 daylight becomes longer.
Equation of Time vs Day of the Year
We show the equation of time during 2017. In the graph, the day of the year in the x axis starting from January, and the difference between mean solar time and apparent solar time in the y axis.
The day with the highest negative value is Thursday, September 14 2017.
The day with the highest positive value is Monday, June 5 2017.
Apparent solar time and mean solar time are of the same length on the following days of the year:
- Friday, January 13 2017 (Day 13)
- Monday, April 3 2017 (Day 93)
- Friday, July 28 2017 (Day 209)
- Wednesday, November 15 2017 (Day 319)
Schedule of Solar Events
Time of sunrise, sunset, dawn and dusk in Seoul during 2017.
