Helena
Sunrise and sunset in Helena
Today’s sunrise, sunset and twilight in Helena, in local time. At 46.6° N, the day lasts from 8 h 34 min at the winter solstice to 15 h 50 min at the summer solstice.
Today · worked out at
Wednesday, October 21: sunrise at 07:54, sunset at 18:30.
Day length 10 h 36 min, 3 min 9 s shorter than yesterday.
Solar noon at 13:12, with the Sun 33° above the horizon.
Times are Helena time (MDT).
Twilight and golden hour today
| Today | Morning | Evening |
|---|---|---|
| Astronomical twilight | 06:13 | 20:11 |
| Nautical twilight | 06:48 | 19:36 |
| Civil twilight | 07:23 | 19:01 |
| Sunrise and sunset | 07:54 | 18:30 |
| Golden hour | 07:54–08:36 | 17:48–18:30 |
Each twilight begins at the morning time and ends at the evening one.
The year in Helena
- Longest day: June 21, 15 h 50 min, from sunrise at 05:34 to sunset at 21:25.
- Shortest day: December 21, 8 h 34 min, from sunrise at 08:09 to sunset at 16:43.
Sunrise and sunset on the 21st of each month, 2026
| Date | Sunrise | Sunset | Day length |
|---|---|---|---|
| January 21 | 08:03 | 17:16 | 9 h 13 min |
| February 21 | 07:21 | 18:02 | 10 h 41 min |
| March 21 | 07:28 | 19:42 | 12 h 14 min |
| April 21 | 06:29 | 20:24 | 13 h 55 min |
| May 21 | 05:47 | 21:02 | 15 h 16 min |
| June 21 | 05:34 | 21:25 | 15 h 50 min |
| July 21 | 05:56 | 21:12 | 15 h 16 min |
| August 21 | 06:34 | 20:27 | 13 h 53 min |
| September 21 | 07:13 | 19:27 | 12 h 13 min |
| October 21 | 07:54 | 18:30 | 10 h 36 min |
| November 21 | 07:38 | 16:48 | 9 h 10 min |
| December 21 | 08:09 | 16:43 | 8 h 34 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 46.6° N, 112° 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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