Sunrise & sunset in Wyoming
6 places in Wyoming, each computed from its own coordinates. Today is Tuesday, September 22, 2026; times below are local to each city.
First sunrise in the state
Cheyenne
Cheyenne, 6:47 AM local time.
Last sunrise in the state
Rock Springs
Rock Springs, 7:04 AM local time — 18 minutes after Cheyenne in real time.
Today across Wyoming
| City | Sunrise | Sunset | Day length |
|---|---|---|---|
| Cheyenne | 6:47 AM | 6:56 PM | 12h 09m |
| Casper | 6:53 AM | 7:02 PM | 12h 09m |
| Gillette | 6:49 AM | 6:59 PM | 12h 09m |
| Laramie | 6:50 AM | 6:59 PM | 12h 09m |
| Rock Springs | 7:04 AM | 7:14 PM | 12h 09m |
| Sheridan | 6:55 AM | 7:05 PM | 12h 10m |
About sunrise in Wyoming
The sun reaches Cheyenne 18 minutes before Rock Springs today — that gap is longitude, and it is fixed: the Earth turns fifteen degrees an hour, so every degree of longitude is four minutes of sunrise. Wyoming keeps a single time zone, so the clock times below are directly comparable.