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Wyoming: earliest sunset of the year by city
Earliest sunset, latest sunrise and clock-change effects for 3 places in Wyoming, computed for winter 2026–27. Earliest sunset among them: Cheyenne at 4:30 pm; latest: Lander at 4:41 pm.
| Place | State | Earliest sunset | Date | Latest sunrise | Date | Sunset Oct 31 | Sunset Nov 1 | Shortest day |
|---|---|---|---|---|---|---|---|---|
| Casper | WY | 4:31 pm | Dec 8 | 7:37 am | Jan 3 | 5:59 pm | 4:58 pm | 9 h 01 min |
| Cheyenne | WY | 4:30 pm | Dec 8 | 7:25 am | Jan 4 | 5:56 pm | 4:54 pm | 9 h 12 min |
| Lander | WY | 4:41 pm | Dec 8 | 7:46 am | Jan 3 | 6:08 pm | 5:07 pm | 9 h 01 min |
Long, dark evenings mean more heating. Heat pump vs gas furnace, propane and oil: heating cost in Wyoming (on our sister site PlugVsPump, from EIA prices).