July 21, 2026 · Kosan, North Korea
Sunrise in Kosan today is at 05:22. Day length is 14h 30m. See below for sunset, solar noon, dawn and dusk — all times calculated astronomically for Kosan's coordinates and updated daily.
Kosan lies at 39°N. At this latitude, day length varies moderately — from around 10 hours in midwinter to 14–15 hours in midsummer.
Sunrise shifts earlier through spring and later through autumn — changing fastest near the equinoxes and barely at all near the summer and winter solstices. See the year chart to visualise how sunrise and sunset times shift month by month for Kosan.
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 | Sunrise | Sunset | Day length |
|---|---|---|---|
| January | 07:48 | 17:32 | 9h 44m |
| February | 07:23 | 18:08 | 10h 44m |
| March | 06:44 | 18:37 | 11h 53m |
| April | 05:55 | 19:07 | 13h 11m |
| May | 05:19 | 19:36 | 14h 16m |
| June | 05:05 | 19:58 | 14h 52m |
| July | 05:18 | 19:56 | 14h 39m |
| August | 05:44 | 19:27 | 13h 43m |
| September | 06:12 | 18:41 | 12h 29m |
| October | 06:40 | 17:54 | 11h 15m |
| November | 07:13 | 17:18 | 10h 5m |
| December | 07:42 | 17:10 | 9h 28m |