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Sunrise and Sunset for O'Fallon, MO
| Position of the Sun | Time of Day | Length of Day |
|---|---|---|
| Astronomical Twilight Begins the sun’s center is 18° below the horizon |
5:42 A.M. | |
| Nautical Twilight Begins the sun’s center is 12° below the horizon |
6:15 A.M. | |
| Civil Twilight Begins the sun’s center is 6° below the horizon |
6:48 A.M. | |
| Sunrise | 7:17 A.M. | 9 Hours 30 Minutes |
| Transit the sun reaches its highest point in the sky | 12:02 P.M. | |
| Sunset | 4:47 P.M. | |
| Civil Twilight Ends the sun’s center is 6° below the horizon |
5:15 P.M. | |
| Nautical Twilight Ends the sun’s center is 12° below the horizon |
5:49 P.M. | |
| Astronomical Twilight Ends the sun’s center is 18° below the horizon |
6:21 P.M. |
