Japan · 37.40°N, 140.38°E
Daylight hours in Koriyama
Koriyama gets 14h 45m of daylight on its longest day, around June 21, and 9h 35m on its shortest, around December 21: a swing of 5h 10m across the year. Its summer is in June.
Today in Koriyama
Sunrise–
Sunset–
Daylight–
vs yesterday–
Sunrise and sunset through the year
Local time, including daylight saving time where Koriyama observes it, which is why the lines can jump by an hour. The shaded band is daylight. 2026 dates.
Key days
Longest day14h 45mJune 21 · 04:19–19:03
Shortest day9h 35mDecember 21 · 06:50–16:24
March equinox12h 06mMarch 20 · 05:44–17:50
Fastest change+2.4 min/dayaround March 19
Daylight by month
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January 1 | 06:54 | 16:31 | 9h 38m |
| February 1 | 06:43 | 17:02 | 10h 19m |
| March 1 | 06:12 | 17:32 | 11h 20m |
| April 1 | 05:26 | 18:01 | 12h 35m |
| May 1 | 04:45 | 18:28 | 13h 43m |
| June 1 | 04:21 | 18:54 | 14h 33m |
| July 1 | 04:22 | 19:04 | 14h 42m |
| August 1 | 04:43 | 18:48 | 14h 05m |
| September 1 | 05:09 | 18:10 | 13h 01m |
| October 1 | 05:34 | 17:24 | 11h 50m |
| November 1 | 06:03 | 16:42 | 10h 39m |
| December 1 | 06:34 | 16:22 | 9h 48m |
Cities with similar daylight
These cities sit within 3° of Koriyama’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 Koriyama’s are shortest:
More: all cities between 30°–40° North · compare Koriyama with any city