Sunrise and Sunset times in Spearfish, United States 
Today:
 Sunrise: 07:16:15
|
 Sunset: 18:04:01
|
Day Length: 10h 47m 46s
Time zone: America/Denver, UTC -6 h.
Latitude: 44.4912, Longitude: -103.817
Spearfish
☁️ Low chance of a spectacular sunset.
South Dakota, United States 
12 675 people
Current temperature 13 ° C 
Patchy rain nearby
| Date | Sunrise | Solar Noon | Sunset | Day length |
|---|---|---|---|---|
| 2025-Oct-01, Wednesday | 06:53:47 | 12:44:44 | 18:35:42 | 11h 41m 55s |
| 2025-Oct-02, Thursday | 06:54:59 | 12:44:25 | 18:33:52 | 11h 38m 53s |
| 2025-Oct-03, Friday | 06:56:12 | 12:44:07 | 18:32:01 | 11h 35m 49s |
| 2025-Oct-04, Saturday | 06:57:25 | 12:43:48 | 18:30:12 | 11h 32m 47s |
| 2025-Oct-05, Sunday | 06:58:38 | 12:43:30 | 18:28:23 | 11h 29m 45s |
| 2025-Oct-06, Monday | 06:59:52 | 12:43:13 | 18:26:34 | 11h 26m 42s |
| 2025-Oct-07, Tuesday | 07:01:06 | 12:42:56 | 18:24:46 | 11h 23m 40s |
| 2025-Oct-08, Wednesday | 07:02:20 | 12:42:39 | 18:22:58 | 11h 20m 38s |
| 2025-Oct-09, Thursday | 07:03:34 | 12:42:22 | 18:21:11 | 11h 17m 37s |
| 2025-Oct-10, Friday | 07:04:49 | 12:42:07 | 18:19:24 | 11h 14m 35s |
| 2025-Oct-11, Saturday | 07:06:04 | 12:41:51 | 18:17:39 | 11h 11m 35s |
| 2025-Oct-12, Sunday | 07:07:19 | 12:41:36 | 18:15:54 | 11h 8m 35s |
| 2025-Oct-13, Monday | 07:08:35 | 12:41:22 | 18:14:09 | 11h 5m 34s |
| 2025-Oct-14, Tuesday | 07:09:51 | 12:41:08 | 18:12:26 | 11h 2m 35s |
| 2025-Oct-15, Wednesday | 07:11:07 | 12:40:55 | 18:10:43 | 10h 59m 36s |
| 2025-Oct-16, Thursday | 07:12:23 | 12:40:42 | 18:09:01 | 10h 56m 38s |
| 2025-Oct-17, Friday | 07:13:40 | 12:40:30 | 18:07:20 | 10h 53m 40s |
| 2025-Oct-18, Saturday | 07:14:57 | 12:40:19 | 18:05:40 | 10h 50m 43s |
| 2025-Oct-19, Sunday | 07:16:15 | 12:40:08 | 18:04:01 | 10h 47m 46s |
| 2025-Oct-20, Monday | 07:17:32 | 12:39:57 | 18:02:22 | 10h 44m 50s |
| 2025-Oct-21, Tuesday | 07:18:50 | 12:39:48 | 18:00:45 | 10h 41m 55s |
| 2025-Oct-22, Wednesday | 07:20:09 | 12:39:39 | 17:59:09 | 10h 39m 0s |
| 2025-Oct-23, Thursday | 07:21:27 | 12:39:31 | 17:57:34 | 10h 36m 7s |
| 2025-Oct-24, Friday | 07:22:46 | 12:39:23 | 17:56:00 | 10h 33m 14s |
| 2025-Oct-25, Saturday | 07:24:05 | 12:39:16 | 17:54:27 | 10h 30m 22s |
| 2025-Oct-26, Sunday | 07:25:25 | 12:39:10 | 17:52:56 | 10h 27m 31s |
| 2025-Oct-27, Monday | 07:26:44 | 12:39:05 | 17:51:25 | 10h 24m 41s |
| 2025-Oct-28, Tuesday | 07:28:04 | 12:39:00 | 17:49:56 | 10h 21m 52s |
| 2025-Oct-29, Wednesday | 07:29:24 | 12:38:56 | 17:48:29 | 10h 19m 5s |
| 2025-Oct-30, Thursday | 07:30:45 | 12:38:53 | 17:47:02 | 10h 16m 17s |
| 2025-Oct-31, Friday | 07:32:05 | 12:38:51 | 17:45:37 | 10h 13m 32s |
Day length in Spearfish during the year on the chart:
Spearfish on United States map:
Locations in the same time zone America/Denver
Denver (Colorado), Salt Lake City (Utah), El Paso (Texas), Albuquerque (New Mexico), Colorado Springs (Colorado), Ogden (Utah), Provo (Utah), Aurora (Colorado), Fort Collins (Colorado), Lakewood (Colorado), Pueblo (Colorado), Thornton (Colorado), Grand Junction (Colorado), West Valley City (Utah), Las Cruces (New Mexico), Greeley (Colorado), Boulder (Colorado), Billings (Montana), Arvada (Colorado), St. George (Utah), West Jordan (Utah), Westminster (Colorado), Centennial (Colorado), Santa Fe (New Mexico), Highlands Ranch (Colorado), Logan (Utah), Longmont (Colorado), Orem (Utah), Rio Rancho (New Mexico), Sandy (Utah)
Largest populated areas in United States
New York (New York), Los Angeles (California), Chicago (Illinois), Miami (Florida), Dallas (Texas), Philadelphia (Pennsylvania), Houston (Texas), Washington (District of Columbia), Atlanta (Georgia), Boston (Massachusetts), Phoenix (Arizona), Seattle (Washington), San Francisco (California), Detroit (Michigan), San Diego (California), Minneapolis (Minnesota), Tampa (Florida), Denver (Colorado), Brooklyn (New York), Queens (New York), Baltimore (Maryland), Riverside (California), St. Louis (Missouri), Las Vegas (Nevada), Portland (Oregon), San Antonio (Texas), Sacramento (California), San Jose (California), Orlando (Florida), Cleveland (Ohio)
Countries closest to United States
*Calculation of distances from capital to capital
Daylight Hours FAQ: 10 Most Googled Questions Answered
Daylight hours refer to the period between sunrise and sunset. This duration changes throughout the year based on season and geographic location.
Earth's 23.5° axial tilt causes uneven sunlight distribution. Your hemisphere receives less direct sunlight in winter (shorter days) and more in summer (longer days).
Northern Hemisphere: June 20-22 (summer solstice).
Southern Hemisphere: December 21-23.
Near polar circles, the sun doesn't set for 24 hours.
Northern Hemisphere: December 21-22 (winter solstice).
Southern Hemisphere: June 20-21.
The closer to poles, the more extreme variations:
- Equator: ~12-hour days year-round
- Polar regions: Midnight sun/polar nights occur
Miami's lower latitude means:
- Winter days are longer than NY's
- Summer days are slightly shorter
During equinoxes:
- Spring: March 20-21
- Fall: September 22-23
Most rapid change near equinoxes: 2-4 minutes daily.
Slowest change near solstices: <1 minute daily.
Reliable tools:
- Timeanddate.com
- SunCalc.org
- Photographer's Ephemeris app
Yes. Reduced winter sunlight may cause:
- Seasonal Affective Disorder (SAD)
- Vitamin D deficiency
Solution: Light therapy lamps & midday walks