Tatsuno, Nagano
Sunrise and sunset in Tatsuno, Nagano
Today’s sunrise, sunset and twilight in Tatsuno, Nagano, in local time. At 36° N, the day lasts from 9 h 43 min at the winter solstice to 14 h 36 min at the summer solstice.
Today · worked out at
Thursday, October 22: sunrise at 06:00, sunset at 17:03.
Day length 11 h 03 min, 2 min 8 s shorter than yesterday.
Solar noon at 11:32, with the Sun 43° above the horizon.
Times are Tatsuno, Nagano time (GMT+9).
Twilight and golden hour today
| Today | Morning | Evening |
|---|---|---|
| Astronomical twilight | 04:34 | 18:29 |
| Nautical twilight | 05:04 | 17:59 |
| Civil twilight | 05:34 | 17:29 |
| Sunrise and sunset | 06:00 | 17:03 |
| Golden hour | 06:00–06:35 | 16:28–17:03 |
Each twilight begins at the morning time and ends at the evening one.
The year in Tatsuno, Nagano
- Longest day: June 21, 14 h 36 min, from sunrise at 04:31 to sunset at 19:07.
- Shortest day: December 22, 9 h 43 min, from sunrise at 06:54 to sunset at 16:37.
Sunrise and sunset on the 21st of each month, 2026
| Date | Sunrise | Sunset | Day length |
|---|---|---|---|
| January 21 | 06:55 | 17:02 | 10 h 07 min |
| February 21 | 06:28 | 17:34 | 11 h 06 min |
| March 21 | 05:50 | 18:00 | 12 h 09 min |
| April 21 | 05:07 | 18:26 | 13 h 18 min |
| May 21 | 04:38 | 18:51 | 14 h 13 min |
| June 21 | 04:31 | 19:07 | 14 h 36 min |
| July 21 | 04:46 | 19:01 | 14 h 15 min |
| August 21 | 05:10 | 18:31 | 13 h 20 min |
| September 21 | 05:34 | 17:47 | 12 h 12 min |
| October 21 | 05:59 | 17:05 | 11 h 06 min |
| November 21 | 06:29 | 16:37 | 10 h 07 min |
| December 21 | 06:54 | 16:37 | 9 h 43 min |
Good to know
- Sunrise and sunset are when the top of the Sun meets a level horizon, allowing for the usual bending of light by the air. Hills, buildings and height shift what you see by a few minutes.
- Civil, nautical and astronomical twilight end when the Sun is 6°, 12° and 18° below the horizon. Golden hour here is the photographers’ usual definition: the Sun less than 6° above it.
- Worked out when the page loads from NOAA’s solar equations, for 36° N, 138° E, and accurate to about a minute.
How the layers work, where their data comes from and what they can’t tell you: Day and night, live, The Sun, Moon and planets
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