Golden Hour · December 2025
Sunrise, sunset & golden hour in Casper, Wyoming, United States: December 2025
In December 2025, sunrise in Casper, Wyoming, United States moves from 7:18 AM to 7:37 AM and sunset from 4:33 PM to 4:41 PM. All times are shown in the local time of Casper, Wyoming, United States.
Across the month, days in Casper, Wyoming, United States get about 11 min shorter.
| Day | Sunrise | Golden hour ends | Golden hour starts | Sunset | Day length |
|---|---|---|---|---|---|
| 1 | 7:18 AM | 8:02 AM | 3:49 PM | 4:33 PM | 9 hr 16 min |
| 2 | 7:19 AM | 8:04 AM | 3:48 PM | 4:33 PM | 9 hr 14 min |
| 3 | 7:20 AM | 8:05 AM | 3:48 PM | 4:33 PM | 9 hr 13 min |
| 4 | 7:21 AM | 8:06 AM | 3:47 PM | 4:33 PM | 9 hr 12 min |
| 5 | 7:22 AM | 8:07 AM | 3:47 PM | 4:32 PM | 9 hr 11 min |
| 6 | 7:23 AM | 8:08 AM | 3:47 PM | 4:32 PM | 9 hr 9 min |
| 7 | 7:24 AM | 8:09 AM | 3:47 PM | 4:32 PM | 9 hr 8 min |
| 8 | 7:25 AM | 8:10 AM | 3:47 PM | 4:32 PM | 9 hr 7 min |
| 9 | 7:25 AM | 8:11 AM | 3:46 PM | 4:32 PM | 9 hr 7 min |
| 10 | 7:26 AM | 8:12 AM | 3:46 PM | 4:32 PM | 9 hr 6 min |
| 11 | 7:27 AM | 8:13 AM | 3:46 PM | 4:32 PM | 9 hr 5 min |
| 12 | 7:28 AM | 8:14 AM | 3:46 PM | 4:32 PM | 9 hr 4 min |
| 13 | 7:29 AM | 8:15 AM | 3:46 PM | 4:32 PM | 9 hr 4 min |
| 14 | 7:30 AM | 8:15 AM | 3:47 PM | 4:32 PM | 9 hr 3 min |
| 15 | 7:30 AM | 8:16 AM | 3:47 PM | 4:33 PM | 9 hr 2 min |
| 16 | 7:31 AM | 8:17 AM | 3:47 PM | 4:33 PM | 9 hr 2 min |
| 17 | 7:32 AM | 8:18 AM | 3:47 PM | 4:33 PM | 9 hr 2 min |
| 18 | 7:32 AM | 8:18 AM | 3:48 PM | 4:34 PM | 9 hr 1 min |
| 19 | 7:33 AM | 8:19 AM | 3:48 PM | 4:34 PM | 9 hr 1 min |
| 20 | 7:33 AM | 8:19 AM | 3:48 PM | 4:34 PM | 9 hr 1 min |
| 21 | 7:34 AM | 8:20 AM | 3:49 PM | 4:35 PM | 9 hr 1 min |
| 22 | 7:34 AM | 8:20 AM | 3:49 PM | 4:35 PM | 9 hr 1 min |
| 23 | 7:35 AM | 8:21 AM | 3:50 PM | 4:36 PM | 9 hr 1 min |
| 24 | 7:35 AM | 8:21 AM | 3:50 PM | 4:36 PM | 9 hr 1 min |
| 25 | 7:35 AM | 8:21 AM | 3:51 PM | 4:37 PM | 9 hr 2 min |
| 26 | 7:36 AM | 8:22 AM | 3:52 PM | 4:38 PM | 9 hr 2 min |
| 27 | 7:36 AM | 8:22 AM | 3:52 PM | 4:38 PM | 9 hr 2 min |
| 28 | 7:36 AM | 8:22 AM | 3:53 PM | 4:39 PM | 9 hr 3 min |
| 29 | 7:37 AM | 8:22 AM | 3:54 PM | 4:40 PM | 9 hr 3 min |
| 30 | 7:37 AM | 8:23 AM | 3:55 PM | 4:41 PM | 9 hr 4 min |
| 31 | 7:37 AM | 8:23 AM | 3:56 PM | 4:41 PM | 9 hr 5 min |
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Frequently asked questions
What time does the sun set in Casper, Wyoming, United States in December 2025?
Sunset moves from 4:33 PM at the start of December 2025 to 4:41 PM at the end, local time.
How long are the days in Casper, Wyoming, United States in December 2025?
The longest day of the month (December 1, 2025) lasts about 9 hr 16 min; the shortest (December 21, 2025) about 9 hr 1 min.
Data: Meeus astronomical algorithms. How we calculate this
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