Quick answer: Nagano gets about 13 h 18 min of daylight today, and civil twilight lasts roughly 27 minutes after sunset before it is fully dark. The sun peaks 65° above the horizon at solar noon.
Conditions on this page are recalculated from the latest forecast every time it is opened, for the current date in the location's own time zone. Showing .
Looking up sunset and sunrise times for Nagano, Japan? This page gives you today's exact times for sunrise, sunset, civil twilight, nautical twilight and astronomical twilight in Nagano's local timezone. We also show the day length in hours and minutes, how it changes versus yesterday, and the upcoming week so you can plan evening walks, rooftop dinners, photography or stargazing in Nagano. Times are calculated with high-precision solar position math, so they match official almanac values to within seconds. If you're a photographer, the sunset time is the anchor for the evening golden hour and blue hour windows we show on the dedicated golden hour page for Nagano. If you're a traveller, sunset is the start of the city's evening atmosphere — and an important planning factor for outdoor dining, river cruises and night-walking tours.
In August, Nagano (36.6° N) sees about 13 h 18 min between sunrise and sunset, with the sun reaching 65° at solar noon. Civil twilight — bright enough to read outdoors — runs roughly 27 minutes past sunset. The live tool above converts these into exact local clock times for Nagano.
Daylight, midday sun angle and golden-hour length below are calculated for Nagano's own coordinates (36.65° N, 138.19° E) on the 15th of each month.
| Month | Daylight | Sun at solar noon | Golden hour |
|---|---|---|---|
| January | 9 h 54 min | 32° | 56 min |
| February | 10 h 48 min | 40° | 52 min |
| March | 11 h 54 min | 51° | 50 min |
| April | 13 h 6 min | 63° | 51 min |
| May | 14 h 6 min | 72° | 54 min |
| June | 14 h 42 min | 77° | 57 min |
| July | 14 h 24 min | 75° | 56 min |
| August | 13 h 30 min | 67° | 52 min |
| September | 12 h 24 min | 56° | 50 min |
| October | 11 h 12 min | 44° | 51 min |
| November | 10 h 12 min | 34° | 55 min |
| December | 9 h 42 min | 30° | 58 min |
Scores are capped by dealbreakers — heavy rain, dangerous wind, thick fog or hazardous UV pull a day down no matter how pleasant the rest of the numbers look. Forecast data is Open-Meteo; solar and lunar values are computed for Nagano's own coordinates and time zone. Full details on the methodology page.