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Sunrise and Sunset for Thunder Bay, ON
| Position of the Sun | Time of Day | Length of Day |
|---|---|---|
| Astronomical Twilight Begins the sun’s center is 18° below the horizon |
6:51 A.M. | |
| Nautical Twilight Begins the sun’s center is 12° below the horizon |
7:29 A.M. | |
| Civil Twilight Begins the sun’s center is 6° below the horizon |
8:09 A.M. | |
| Sunrise | 8:44 A.M. | 8 Hours 22 Minutes |
| Transit the sun reaches its highest point in the sky | 12:55 P.M. | |
| Sunset | 5:06 P.M. | |
| Civil Twilight Ends the sun’s center is 6° below the horizon |
5:41 P.M. | |
| Nautical Twilight Ends the sun’s center is 12° below the horizon |
6:21 P.M. | |
| Astronomical Twilight Ends the sun’s center is 18° below the horizon |
6:59 P.M. |
