July 21, 2026 · Kosan, North Korea
Kosan has 14h 30m of daylight today. Sunrise is at 05:22 and sunset is at 19:53. All times are calculated astronomically for Kosan's exact coordinates.
Kosan lies at 39°N. At this latitude, day length varies moderately — from around 10 hours in midwinter to 14–15 hours in midsummer.
Day length changes fastest near the spring and autumn equinoxes and slowest near the longest day and shortest day of the year. See the year chart to visualise how daylight hours shift month by month for Kosan, or see daylight hours for every day of the year.
The longest day in Kosan is around 14h 54m (around June 21). The shortest is around 9h 26m (around December 21). Days are currently getting shorter — losing about 1 minute per day.
| Month | Day length | Sunrise | Sunset |
|---|---|---|---|
| January | 9h 44m | 07:48 | 17:32 |
| February | 10h 44m | 07:23 | 18:08 |
| March | 11h 53m | 06:44 | 18:37 |
| April | 13h 11m | 05:55 | 19:07 |
| May | 14h 16m | 05:19 | 19:36 |
| June | 14h 52m | 05:05 | 19:58 |
| July | 14h 39m | 05:18 | 19:56 |
| August | 13h 43m | 05:44 | 19:27 |
| September | 12h 29m | 06:12 | 18:41 |
| October | 11h 15m | 06:40 | 17:54 |
| November | 10h 5m | 07:13 | 17:18 |
| December | 9h 28m | 07:42 | 17:10 |