Calculated sunrise, sunset, golden hour and blue hour times for O'Fallon, MO. Select a date to view the calculated light times.
The month-by-month table below is in this city's own local time. The live times above follow your device's timezone. Mountains, ridgelines and buildings can shorten the usable window — scout your horizon.
Terrain, buildings and weather can affect visible light. Check the horizon and conditions at the selected location.
In O'Fallon, sunset ranges from 4:40 PM in December to 8:32 PM in June. All times local to O'Fallon (America/Chicago).
| Month | Sunrise | Sunset | Golden hour (evening) | Length | Daylight |
|---|---|---|---|---|---|
| January | 7:19 AM | 5:05 PM | 4:24 PM – 5:05 PM | 41 min | 9h 46m |
| February | 6:53 AM | 5:40 PM | 5:03 PM – 5:40 PM | 37 min | 10h 47m |
| March | 7:13 AM | 7:09 PM | 6:34 PM – 7:09 PM | 35 min | 11h 56m |
| April | 6:26 AM | 7:39 PM | 7:04 PM – 7:39 PM | 35 min | 13h 14m |
| May | 5:50 AM | 8:08 PM | 7:30 PM – 8:08 PM | 38 min | 14h 18m |
| June | 5:37 AM | 8:29 PM | 7:49 PM – 8:29 PM | 40 min | 14h 52m |
| July | 5:50 AM | 8:27 PM | 7:48 PM – 8:27 PM | 39 min | 14h 37m |
| August | 6:16 AM | 7:57 PM | 7:20 PM – 7:57 PM | 37 min | 13h 41m |
| September | 6:44 AM | 7:10 PM | 6:35 PM – 7:10 PM | 35 min | 12h 27m |
| October | 7:12 AM | 6:24 PM | 5:48 PM – 6:24 PM | 36 min | 11h 12m |
| November | 6:45 AM | 4:49 PM | 4:09 PM – 4:49 PM | 40 min | 10h 04m |
| December | 7:14 AM | 4:42 PM | 4:00 PM – 4:42 PM | 42 min | 9h 28m |
Golden hour is the period near sunrise and sunset when the sun is low. Blue hour occurs before sunrise and after sunset. Calculated times vary with location and date; weather, terrain and buildings can affect visible light.
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