July 21, 2026 · Kōriyama, Japan
Sunset in Kōriyama today is at 18:57. Day length is 14h 23m. See below for sunrise, 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.
Sunset shifts later through spring and earlier through autumn — changing fastest near the equinoxes and slowest near the summer and winter solstices. See the year chart to visualise how 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 | Sunset | Sunrise | Day length |
|---|---|---|---|
| January | 16:44 | 06:53 | 9h 51m |
| February | 17:18 | 06:29 | 10h 48m |
| March | 17:45 | 05:51 | 11h 54m |
| April | 18:13 | 05:05 | 13h 8m |
| May | 18:40 | 04:31 | 14h 9m |
| June | 19:01 | 04:18 | 14h 43m |
| July | 19:00 | 04:30 | 14h 31m |
| August | 18:33 | 04:55 | 13h 38m |
| September | 17:49 | 05:21 | 12h 28m |
| October | 17:04 | 05:46 | 11h 17m |
| November | 16:30 | 06:18 | 10h 12m |
| December | 16:22 | 06:46 | 9h 36m |