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Sunrise and Sunset for Sarnia, ON
| Position of the Sun | Time of Day | Length of Day |
|---|---|---|
| Astronomical Twilight Begins the sun’s center is 18° below the horizon |
4:39 A.M. | |
| Nautical Twilight Begins the sun’s center is 12° below the horizon |
5:20 A.M. | |
| Civil Twilight Begins the sun’s center is 6° below the horizon |
5:57 A.M. | |
| Sunrise | 6:26 A.M. | 14 Hours |
| Transit the sun reaches its highest point in the sky | 1:27 P.M. | |
| Sunset | 8:27 P.M. | |
| Civil Twilight Ends the sun’s center is 6° below the horizon |
8:56 P.M. | |
| Nautical Twilight Ends the sun’s center is 12° below the horizon |
9:34 P.M. | |
| Astronomical Twilight Ends the sun’s center is 18° below the horizon |
10:15 P.M. |
