South Korea · 35.54°N, 129.32°E
Daylight hours in Ulsan
Ulsan gets 14h 34m of daylight on its longest day, around June 21, and 9h 45m on its shortest, around December 21: a swing of 4h 49m across the year. Its summer is in June.
Today in Ulsan
Sunrise–
Sunset–
Daylight–
vs yesterday–
Sunrise and sunset through the year
Local time, including daylight saving time where Ulsan observes it, which is why the lines can jump by an hour. The shaded band is daylight. 2026 dates.
Key days
Longest day14h 34mJune 21 · 05:08–19:42
Shortest day9h 45mDecember 21 · 07:29–17:14
March equinox12h 06mMarch 20 · 06:28–18:34
Fastest change+2.3 min/dayaround March 19
Daylight by month
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January 1 | 07:33 | 17:21 | 9h 48m |
| February 1 | 07:24 | 17:50 | 10h 26m |
| March 1 | 06:54 | 18:18 | 11h 24m |
| April 1 | 06:11 | 18:44 | 12h 33m |
| May 1 | 05:32 | 19:09 | 13h 36m |
| June 1 | 05:10 | 19:33 | 14h 23m |
| July 1 | 05:11 | 19:43 | 14h 32m |
| August 1 | 05:31 | 19:28 | 13h 57m |
| September 1 | 05:55 | 18:53 | 12h 57m |
| October 1 | 06:18 | 18:09 | 11h 51m |
| November 1 | 06:45 | 17:30 | 10h 45m |
| December 1 | 07:14 | 17:11 | 9h 57m |
Cities with similar daylight
These cities sit within 3° of Ulsan’s latitude in the same hemisphere, so their days grow and shrink almost in step:
Its mirror images are across the equator at a similar distance from it. Their longest days come when Ulsan’s are shortest:
More: all cities between 30°–40° North · compare Ulsan with any city