July 21, 2026 · Nagano, Japan
Sunrise in Nagano today is at 04:45. Day length is 14h 19m. See below for sunset, solar noon, dawn and dusk — all times calculated astronomically for Nagano's coordinates and updated daily.
Nagano 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 Nagano.
The longest day in Nagano is around 14h 40m (around June 21). The shortest is around 9h 39m (around December 21). Days are currently getting shorter — losing about 1 minute per day.
| Month | Sunrise | Sunset | Day length |
|---|---|---|---|
| January | 07:00 | 16:55 | 9h 55m |
| February | 06:37 | 17:28 | 10h 50m |
| March | 06:00 | 17:54 | 11h 54m |
| April | 05:15 | 18:21 | 13h 6m |
| May | 04:41 | 18:48 | 14h 6m |
| June | 04:29 | 19:08 | 14h 39m |
| July | 04:40 | 19:07 | 14h 26m |
| August | 05:05 | 18:41 | 13h 36m |
| September | 05:30 | 17:57 | 12h 28m |
| October | 05:55 | 17:13 | 11h 19m |
| November | 06:25 | 16:40 | 10h 15m |
| December | 06:53 | 16:33 | 9h 40m |