Length of Days in Seoul
We show daylight length in Seoul during 2023 and the equinoxes and solstices. From June 1, 2023 until June 21, 2023, daylight becomes longer. From June 22, 2023 until December 22, 2023, daylight becomes shorter. From December 23, 2023 until May 30, 2024, daylight becomes longer.
Equation of Time vs Day of the Year
We show the equation of time during 2023. 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 2023.
The day with the highest positive value is Tuesday, June 6 2023.
Apparent solar time and mean solar time are of the same length on the following days of the year:
- Friday, January 13 2023 (Day 13)
- Tuesday, April 4 2023 (Day 94)
- Friday, July 28 2023 (Day 209)
- Thursday, November 16 2023 (Day 320)
Schedule of Solar Events
Time of sunrise, sunset, dawn and dusk in Seoul during 2023.
