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Illinois: earliest sunset of the year by city
Earliest sunset, latest sunrise and clock-change effects for 6 places in Illinois, computed for winter 2026–27. Earliest sunset among them: Chicago (O'Hare Airport) at 4:20 pm; latest: Quincy at 4:40 pm.
| Place | State | Earliest sunset | Date | Latest sunrise | Date | Sunset Oct 31 | Sunset Nov 1 | Shortest day |
|---|---|---|---|---|---|---|---|---|
| Chicago (O'Hare Airport) | IL | 4:20 pm | Dec 8 | 7:20 am | Jan 3 | 5:47 pm | 4:46 pm | 9 h 07 min |
| Moline (Quad Cities) | IL | 4:32 pm | Dec 8 | 7:29 am | Jan 4 | 5:58 pm | 4:57 pm | 9 h 11 min |
| Peoria | IL | 4:31 pm | Dec 8 | 7:23 am | Jan 4 | 5:56 pm | 4:55 pm | 9 h 16 min |
| Quincy | IL | 4:40 pm | Dec 7 | 7:27 am | Jan 4 | 6:03 pm | 5:02 pm | 9 h 20 min |
| Rockford | IL | 4:24 pm | Dec 8 | 7:25 am | Jan 3 | 5:51 pm | 4:50 pm | 9 h 06 min |
| Springfield (Illinois) | IL | 4:34 pm | Dec 7 | 7:20 am | Jan 4 | 5:58 pm | 4:56 pm | 9 h 21 min |
Long, dark evenings mean more heating. Heat pump vs gas furnace, propane and oil: heating cost in Illinois (on our sister site PlugVsPump, from EIA prices).