Iwamizawa
Sunrise and sunset in Iwamizawa
Today’s sunrise, sunset and twilight in Iwamizawa, in local time. At 43.2° N, the day lasts from 8 h 59 min at the winter solstice to 15 h 23 min at the summer solstice.
Today · worked out at
Thursday, October 22: sunrise at 05:54, sunset at 16:39.
Day length 10 h 45 min, 2 min 47 s shorter than yesterday.
Solar noon at 11:17, with the Sun 36° above the horizon.
Times are Iwamizawa time (GMT+9).
Twilight and golden hour today
| Today | Morning | Evening |
|---|---|---|
| Astronomical twilight | 04:19 | 18:14 |
| Nautical twilight | 04:52 | 17:41 |
| Civil twilight | 05:25 | 17:08 |
| Sunrise and sunset | 05:54 | 16:39 |
| Golden hour | 05:54–06:33 | 16:00–16:39 |
Each twilight begins at the morning time and ends at the evening one.
The year in Iwamizawa
- Longest day: June 21, 15 h 23 min, from sunrise at 03:53 to sunset at 19:16.
- Shortest day: December 22, 8 h 59 min, from sunrise at 07:01 to sunset at 16:00.
Sunrise and sunset on the 21st of each month, 2026
| Date | Sunrise | Sunset | Day length |
|---|---|---|---|
| January 21 | 06:58 | 16:29 | 9 h 31 min |
| February 21 | 06:22 | 17:11 | 10 h 48 min |
| March 21 | 05:35 | 17:45 | 12 h 10 min |
| April 21 | 04:42 | 18:22 | 13 h 40 min |
| May 21 | 04:03 | 18:55 | 14 h 52 min |
| June 21 | 03:53 | 19:16 | 15 h 23 min |
| July 21 | 04:11 | 19:06 | 14 h 55 min |
| August 21 | 04:44 | 18:27 | 13 h 43 min |
| September 21 | 05:18 | 17:33 | 12 h 15 min |
| October 21 | 05:53 | 16:41 | 10 h 48 min |
| November 21 | 06:32 | 16:04 | 9 h 32 min |
| December 21 | 07:01 | 16:00 | 8 h 59 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 43.2° N, 141.8° 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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