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Rapid City, SD, USA — Sunrise, Sunset, and Moon Times for Today

Moon: 1.0%
Waning Crescent
Current Time: Dec 18, 2025 at 8:36:47 pm
Sunrise Today: 7:23 am 123° Southeast
Sunset Today: 4:16 pm 237° Southwest
Moonrise Today: 6:33 am 129° Southeast
Moonset Today: 2:50 pm 230° Southwest
Daylight Hours: 8 hours, 53 minutes (-15s)

Today's Sun Position in Rapid City

Time: 8:36 pm
Altitude: -45.7°
Direction: 282° W
Phase: Night

Day length today: 8h 53m (Dec 18, 2025)

15 seconds shorter than yesterday (Dec 17, 2025)

18 seconds longer than winter solstice (Dec 21, 2024)

6 hours, 36 minutes shorter than summer solstice (Jun 20, 2025)

Night, Twilight, and Daylight Times in Rapid City Today

12 am
2 am
4 am
6 am
8 am
10 am
12 pm
2 pm
4 pm
6 pm
8 pm
10 pm
Night 12:00 am – 5:38 am
Astro. Twilight 5:38 am – 6:13 am
Nautical Twilight 6:13 am – 6:50 am
Civil Twilight 6:50 am – 7:23 am
Daylight 7:23 am – 4:16 pm
Civil Twilight 4:16 pm – 4:49 pm
Nautical Twilight 4:49 pm – 5:25 pm
Astro. Twilight 5:25 pm – 6:01 pm
Night 6:01 pm – 11:59 pm

Sun in Rapid City - Next 7 Days

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2025 Sunrise/Sunset Daylength Solar Noon
Dec Sunrise Sunset Length Diff. Time Mil. km
Dec 18 7:23 am 4:16 pm 8:53:00 −0:15 11:49 am (22.5°) 147.206
Dec 19 7:23 am 4:16 pm 8:52:49 −0:10 11:50 am (22.5°) 147.194
Dec 20 7:24 am 4:17 pm 8:52:42 −0:06 11:50 am (22.5°) 147.183
Dec 21 7:24 am 4:17 pm 8:52:41 −0:01 11:51 am (22.5°) 147.173
Dec 22 7:25 am 4:18 pm 8:52:44 +0:03 11:51 am (22.5°) 147.163
Dec 23 7:25 am 4:18 pm 8:52:52 +0:07 11:52 am (22.5°) 147.154
Dec 24 7:26 am 4:19 pm 8:53:04 +0:12 11:52 am (22.6°) 147.145
* All times are local time for Rapid City. They take into account refraction. Dates are based on the Gregorian calendar.

The December solstice (winter solstice) in Rapid City is at 8:03 am on Sunday, December 21, 2025. In terms of daylight, this day is 6 hours, 37 minutes shorter than the June solstice. In most locations north of the equator, the shortest day of the year is around this date.

See full month's Sun


Today's Moon in Rapid City

Year 2025 Moon Phases

Moon in Rapid City - Next 7 days

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2025 Moonrise/Moonset Meridian Passing
Dec Moonrise Moonset Moonrise Time Distance (km) Illumination
Dec 18 6:33 am 2:50 pm - 10:43 am (17.9°) 405,478 1.8%
Dec 19 7:32 am 3:37 pm - 11:35 am (16.9°) 404,022 0.3%
Dec 20 8:23 am 4:34 pm - 12:27 pm (17.4°) 401,981 0.7%
Dec 21 9:05 am 5:38 pm - 1:19 pm (19.3°) 399,433 3.1%
Dec 22 9:39 am 6:46 pm - 2:09 pm (22.5°) 396,413 7.4%
Dec 23 10:07 am 7:55 pm - 2:57 pm (26.9°) 392,938 13.7%
Dec 24 10:30 am 9:05 pm - 3:43 pm (32.2°) 389,014 21.6%
* All times are local time for Rapid City. They take into account refraction. Dates are based on the Gregorian calendar. Illumination is calculated at lunar noon.

See full month's Moon

Planets Visible in the Sky in Rapid City This Coming Night

  Planetrise/Planetset, Thu, Dec 18, 2025
Planet Rise Set Meridian Comment
Mercury Fri 5:56 am Fri 3:09 pm Fri 10:33 am Slightly difficult to see
Venus Fri 7:06 am Fri 3:56 pm Fri 11:31 am Slightly difficult to see
Mars Fri 7:52 am Fri 4:33 pm Fri 12:13 pm Extremely difficult to see
Jupiter Fri 6:01 pm Sat 9:07 am Sat 1:34 am Perfect visibility
Saturn Thu 12:01 pm Thu 11:35 pm Thu 5:48 pm Average visibility
Uranus Thu 2:22 pm Fri 5:08 am Thu 9:45 pm Average visibility
Neptune Thu 12:04 pm Thu 11:57 pm Thu 6:01 pm Difficult to see
* All times are local time for Rapid City.

More about the planets visible in the night sky in Rapid City