July 21, 2026 · Kōriyama, Japan
Sunrise in Kōriyama today is at 04:34. Day length is 14h 23m. See below for sunset, solar noon, dawn and dusk — all times calculated astronomically for Kōriyama's coordinates and updated daily.
Kōriyama lies at 37°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 Kōriyama.
The longest day in Kōriyama is around 14h 45m (around June 21). The shortest is around 9h 35m (around December 21). Days are currently getting shorter — losing about 1 minute per day.
| Month | Sunrise | Sunset | Day length |
|---|---|---|---|
| January | 06:53 | 16:44 | 9h 51m |
| February | 06:29 | 17:18 | 10h 48m |
| March | 05:51 | 17:45 | 11h 54m |
| April | 05:05 | 18:13 | 13h 8m |
| May | 04:31 | 18:40 | 14h 9m |
| June | 04:18 | 19:01 | 14h 43m |
| July | 04:30 | 19:00 | 14h 31m |
| August | 04:55 | 18:33 | 13h 38m |
| September | 05:21 | 17:49 | 12h 28m |
| October | 05:46 | 17:04 | 11h 17m |
| November | 06:18 | 16:30 | 10h 12m |
| December | 06:46 | 16:22 | 9h 36m |