Sunrise and Sunset times in Casper, United States 
Casper
☁️ Low chance of a spectacular sunset.
Wyoming, United States
67 462 people
Current temperature 24 ° C 
Sunny
Today:
 Sunrise: 06:13:16
|
 Sunset: 20:05:39
|
Day Length: 13h 52m 23s
Time zone: America/Denver, UTC -6 h.
Latitude: 42.842, Longitude: -106.321
| Date | Sunrise | Solar Noon | Sunset | Day length |
|---|---|---|---|---|
| 2025-Aug-01, Friday | 05:57:14 | 13:11:36 | 20:25:58 | 14h 28m 44s |
| 2025-Aug-02, Saturday | 05:58:17 | 13:11:32 | 20:24:47 | 14h 26m 30s |
| 2025-Aug-03, Sunday | 05:59:20 | 13:11:27 | 20:23:33 | 14h 24m 13s |
| 2025-Aug-04, Monday | 06:00:23 | 13:11:21 | 20:22:19 | 14h 21m 56s |
| 2025-Aug-05, Tuesday | 06:01:26 | 13:11:15 | 20:21:03 | 14h 19m 37s |
| 2025-Aug-06, Wednesday | 06:02:30 | 13:11:08 | 20:19:45 | 14h 17m 15s |
| 2025-Aug-07, Thursday | 06:03:34 | 13:11:00 | 20:18:26 | 14h 14m 52s |
| 2025-Aug-08, Friday | 06:04:38 | 13:10:52 | 20:17:06 | 14h 12m 28s |
| 2025-Aug-09, Saturday | 06:05:43 | 13:10:44 | 20:15:44 | 14h 10m 1s |
| 2025-Aug-10, Sunday | 06:06:47 | 13:10:34 | 20:14:22 | 14h 7m 35s |
| 2025-Aug-11, Monday | 06:07:52 | 13:10:25 | 20:12:57 | 14h 5m 5s |
| 2025-Aug-12, Tuesday | 06:08:56 | 13:10:14 | 20:11:32 | 14h 2m 36s |
| 2025-Aug-13, Wednesday | 06:10:01 | 13:10:03 | 20:10:05 | 14h 0m 4s |
| 2025-Aug-14, Thursday | 06:11:06 | 13:09:52 | 20:08:38 | 13h 57m 32s |
| 2025-Aug-15, Friday | 06:12:11 | 13:09:40 | 20:07:09 | 13h 54m 58s |
| 2025-Aug-16, Saturday | 06:13:16 | 13:09:27 | 20:05:39 | 13h 52m 23s |
| 2025-Aug-17, Sunday | 06:14:21 | 13:09:14 | 20:04:08 | 13h 49m 47s |
| 2025-Aug-18, Monday | 06:15:26 | 13:09:01 | 20:02:36 | 13h 47m 10s |
| 2025-Aug-19, Tuesday | 06:16:31 | 13:08:47 | 20:01:03 | 13h 44m 32s |
| 2025-Aug-20, Wednesday | 06:17:36 | 13:08:32 | 19:59:29 | 13h 41m 53s |
| 2025-Aug-21, Thursday | 06:18:41 | 13:08:18 | 19:57:54 | 13h 39m 13s |
| 2025-Aug-22, Friday | 06:19:46 | 13:08:02 | 19:56:19 | 13h 36m 33s |
| 2025-Aug-23, Saturday | 06:20:51 | 13:07:46 | 19:54:42 | 13h 33m 51s |
| 2025-Aug-24, Sunday | 06:21:55 | 13:07:30 | 19:53:05 | 13h 31m 10s |
| 2025-Aug-25, Monday | 06:23:00 | 13:07:13 | 19:51:26 | 13h 28m 26s |
| 2025-Aug-26, Tuesday | 06:24:05 | 13:06:56 | 19:49:48 | 13h 25m 43s |
| 2025-Aug-27, Wednesday | 06:25:10 | 13:06:39 | 19:48:08 | 13h 22m 58s |
| 2025-Aug-28, Thursday | 06:26:15 | 13:06:21 | 19:46:27 | 13h 20m 12s |
| 2025-Aug-29, Friday | 06:27:19 | 13:06:03 | 19:44:46 | 13h 17m 27s |
| 2025-Aug-30, Saturday | 06:28:24 | 13:05:44 | 19:43:05 | 13h 14m 41s |
| 2025-Aug-31, Sunday | 06:29:29 | 13:05:26 | 19:41:22 | 13h 11m 53s |
Day length in Casper during the year on the chart:
Casper 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)
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