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Sun times

Wyoming · United States

Sunrise and Sunset Times Today in Casper, Wyoming

· MDT (UTC−06:00)

Sunset in Casper is at 6:04 PM and sunrise is at 7:33 AM. There are 10h 31m of daylight.

Sunset

6:04 PM

253° W

Sunrise

7:33 AM

107° E

Daylight

10h 31m

0h 03m shorter than the previous day

Solar noon

12:49 PM

Sun altitude: 34.2°

SunriseSunset

Live countdown to the next sunrise or sunset

Times use the city center and a clear, level horizon. Hills, buildings and weather can change what you see.

Tomorrow in Casper

Wednesday, October 28, 2026: sunset 6:03 PM, sunrise 7:35 AM. Daylight: 10h 28m.


Twilight and golden hour

Morning light

  • Astronomical dawn (−18°)5:58 AM
  • Nautical dawn (−12°)6:31 AM
  • Civil dawn (−6°)7:04 AM
  • Golden hour (−4° to +6°)7:16 AM – 8:13 AM

Evening light

  • Golden hour (+6° to −4°)5:24 PM – 6:22 PM
  • Civil dusk (−6°)6:33 PM
  • Nautical dusk (−12°)7:06 PM
  • Astronomical dusk (−18°)7:39 PM

Golden hour is an approximate photography window, not a weather forecast. About twilight and light thresholds.

Local time in Casper

America/Denver · MDT · UTC−06:00. Daylight saving time is in effect.

The next clock change is on Sunday, November 1, 2026, from UTC−06:00 to UTC−07:00. Times in the calendar already include this change.

Clock changes and regional exceptions in United States

IANA timezone data 2026e. Future rules can change; corrections are welcome.

Sunrise and sunset calendar for Casper


2026-10. Local times in America/Denver; clock changes apply on their actual dates.
DateSunsetSunriseDaylight
6:46 PM7:03 AM11h 44m
6:44 PM7:04 AM11h 41m
6:43 PM7:05 AM11h 38m
6:41 PM7:06 AM11h 35m
6:39 PM7:07 AM11h 32m
6:38 PM7:08 AM11h 29m
6:36 PM7:10 AM11h 26m
6:34 PM7:11 AM11h 23m
6:32 PM7:12 AM11h 21m
6:31 PM7:13 AM11h 18m
6:29 PM7:14 AM11h 15m
6:27 PM7:15 AM11h 12m
6:26 PM7:16 AM11h 09m
6:24 PM7:18 AM11h 06m
6:22 PM7:19 AM11h 04m
6:21 PM7:20 AM11h 01m
6:19 PM7:21 AM10h 58m
6:18 PM7:22 AM10h 55m
6:16 PM7:24 AM10h 52m
6:15 PM7:25 AM10h 50m
6:13 PM7:26 AM10h 47m
6:11 PM7:27 AM10h 44m
6:10 PM7:29 AM10h 41m
6:08 PM7:30 AM10h 39m
6:07 PM7:31 AM10h 36m
6:06 PM7:32 AM10h 33m
6:04 PM7:33 AM10h 31m
6:03 PM7:35 AM10h 28m
6:01 PM7:36 AM10h 25m
6:00 PM7:37 AM10h 23m
5:59 PM7:38 AM10h 20m
Download 2026 calendar (CSV)

About these times

Calculation point
42.86663°, -106.31308°
Place reference
GeoNames 5820705

Sunrise and sunset use a solar-center altitude of −0.833°, including a standard allowance for refraction and the sun’s radius. The result is rounded to the nearest minute. Terrain and unusual atmospheric conditions are not modeled.

Sources, validation and limitations