July 21, 2026 · Jōetsu, Japan
Sunrise in Jōetsu today is at 04:43. Day length is 14h 22m. See below for sunset, solar noon, dawn and dusk — all times calculated astronomically for Jōetsu's coordinates and updated daily.
Jōetsu 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 Jōetsu.
The longest day in Jōetsu is around 14h 43m (around June 21). The shortest is around 9h 36m (around December 21). Days are currently getting shorter — losing about 1 minute per day.
| Month | Sunrise | Sunset | Day length |
|---|---|---|---|
| January | 07:01 | 16:53 | 9h 53m |
| February | 06:38 | 17:27 | 10h 49m |
| March | 06:00 | 17:54 | 11h 54m |
| April | 05:14 | 18:21 | 13h 7m |
| May | 04:40 | 18:48 | 14h 8m |
| June | 04:27 | 19:09 | 14h 42m |
| July | 04:39 | 19:08 | 14h 29m |
| August | 05:04 | 18:41 | 13h 37m |
| September | 05:29 | 17:57 | 12h 28m |
| October | 05:55 | 17:12 | 11h 18m |
| November | 06:26 | 16:39 | 10h 13m |
| December | 06:54 | 16:32 | 9h 38m |