Rapid City
Sunrise and sunset in Rapid City
Today’s sunrise, sunset and twilight in Rapid City, in local time. At 44.1° N, the day lasts from 8 h 53 min at the winter solstice to 15 h 30 min at the summer solstice.
Today · worked out at
Wednesday, October 21: sunrise at 07:15, sunset at 17:58.
Day length 10 h 44 min, 2 min 53 s shorter than yesterday.
Solar noon at 12:37, with the Sun 35° above the horizon.
Times are Rapid City time (MDT).
Twilight and golden hour today
| Today | Morning | Evening |
|---|---|---|
| Astronomical twilight | 05:38 | 19:35 |
| Nautical twilight | 06:12 | 19:01 |
| Civil twilight | 06:45 | 18:28 |
| Sunrise and sunset | 07:15 | 17:58 |
| Golden hour | 07:15–07:55 | 17:18–17:58 |
Each twilight begins at the morning time and ends at the evening one.
The year in Rapid City
- Longest day: June 21, 15 h 30 min, from sunrise at 05:09 to sunset at 20:39.
- Shortest day: December 21, 8 h 53 min, from sunrise at 07:24 to sunset at 16:17.
Sunrise and sunset on the 21st of each month, 2026
| Date | Sunrise | Sunset | Day length |
|---|---|---|---|
| January 21 | 07:20 | 16:48 | 9 h 28 min |
| February 21 | 06:42 | 17:30 | 10 h 48 min |
| March 21 | 06:53 | 19:06 | 12 h 13 min |
| April 21 | 05:59 | 19:44 | 13 h 45 min |
| May 21 | 05:20 | 20:19 | 14 h 59 min |
| June 21 | 05:09 | 20:39 | 15 h 30 min |
| July 21 | 05:29 | 20:28 | 14 h 59 min |
| August 21 | 06:03 | 19:47 | 13 h 44 min |
| September 21 | 06:39 | 18:51 | 12 h 13 min |
| October 21 | 07:15 | 17:58 | 10 h 44 min |
| November 21 | 06:56 | 16:21 | 9 h 25 min |
| December 21 | 07:24 | 16:17 | 8 h 53 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 44.1° N, 103.2° 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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