Bozeman
Sunrise and sunset in Bozeman
Today’s sunrise, sunset and twilight in Bozeman, in local time. At 45.7° N, the day lasts from 8 h 41 min at the winter solstice to 15 h 43 min at the summer solstice.
Today · worked out at
Wednesday, October 21: sunrise at 07:48, sunset at 18:27.
Day length 10 h 39 min, 3 min 3 s shorter than yesterday.
Solar noon at 13:08, with the Sun 33° above the horizon.
Times are Bozeman time (MDT).
Twilight and golden hour today
| Today | Morning | Evening |
|---|---|---|
| Astronomical twilight | 06:09 | 20:06 |
| Nautical twilight | 06:44 | 19:32 |
| Civil twilight | 07:18 | 18:57 |
| Sunrise and sunset | 07:48 | 18:27 |
| Golden hour | 07:48–08:30 | 17:46–18:27 |
Each twilight begins at the morning time and ends at the evening one.
The year in Bozeman
- Longest day: June 21, 15 h 43 min, from sunrise at 05:34 to sunset at 21:17.
- Shortest day: December 21, 8 h 41 min, from sunrise at 08:01 to sunset at 16:42.
Sunrise and sunset on the 21st of each month, 2026
| Date | Sunrise | Sunset | Day length |
|---|---|---|---|
| January 21 | 07:56 | 17:14 | 9 h 18 min |
| February 21 | 07:16 | 17:59 | 10 h 44 min |
| March 21 | 07:24 | 19:38 | 12 h 13 min |
| April 21 | 06:27 | 20:18 | 13 h 51 min |
| May 21 | 05:46 | 20:55 | 15 h 09 min |
| June 21 | 05:34 | 21:17 | 15 h 43 min |
| July 21 | 05:55 | 21:05 | 15 h 10 min |
| August 21 | 06:32 | 20:21 | 13 h 50 min |
| September 21 | 07:10 | 19:23 | 12 h 13 min |
| October 21 | 07:48 | 18:27 | 10 h 39 min |
| November 21 | 07:32 | 16:47 | 9 h 16 min |
| December 21 | 08:01 | 16:42 | 8 h 41 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 45.7° N, 111° W, 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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