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Iowa: earliest sunset of the year by city
Earliest sunset, latest sunrise and clock-change effects for 9 places in Iowa, computed for winter 2026–27. Earliest sunset among them: Dubuque at 4:30 pm; latest: Sioux City at 4:53 pm.
| Place | State | Earliest sunset | Date | Latest sunrise | Date | Sunset Oct 31 | Sunset Nov 1 | Shortest day |
|---|---|---|---|---|---|---|---|---|
| Burlington (Iowa) | IA | 4:37 pm | Dec 8 | 7:29 am | Jan 4 | 6:02 pm | 5:01 pm | 9 h 15 min |
| Cedar Rapids | IA | 4:36 pm | Dec 8 | 7:35 am | Jan 3 | 6:02 pm | 5:01 pm | 9 h 08 min |
| Des Moines | IA | 4:44 pm | Dec 8 | 7:41 am | Jan 4 | 6:10 pm | 5:09 pm | 9 h 10 min |
| Dubuque | IA | 4:30 pm | Dec 8 | 7:32 am | Jan 3 | 5:57 pm | 4:56 pm | 9 h 04 min |
| Iowa City | IA | 4:36 pm | Dec 8 | 7:33 am | Jan 4 | 6:02 pm | 5:01 pm | 9 h 09 min |
| Mason City | IA | 4:38 pm | Dec 9 | 7:45 am | Jan 3 | 6:06 pm | 5:05 pm | 8 h 59 min |
| Ottumwa | IA | 4:41 pm | Dec 8 | 7:35 am | Jan 4 | 6:06 pm | 5:05 pm | 9 h 13 min |
| Sioux City | IA | 4:53 pm | Dec 8 | 7:55 am | Jan 3 | 6:20 pm | 5:19 pm | 9 h 04 min |
| Waterloo | IA | 4:36 pm | Dec 8 | 7:40 am | Jan 3 | 6:04 pm | 5:02 pm | 9 h 03 min |
Long, dark evenings mean more heating. Heat pump vs gas furnace, propane and oil: heating cost in Iowa (on our sister site PlugVsPump, from EIA prices).