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Sunrise and Sunset for Boulder Flats, WY
| Position of the Sun | Time of Day | Length of Day |
|---|---|---|
| Astronomical Twilight Begins the sun’s center is 18° below the horizon |
6:00 A.M. | |
| Nautical Twilight Begins the sun’s center is 12° below the horizon |
6:35 A.M. | |
| Civil Twilight Begins the sun’s center is 6° below the horizon |
7:10 A.M. | |
| Sunrise | 7:41 A.M. | 9 Hours 4 Minutes |
| Transit the sun reaches its highest point in the sky | 12:13 P.M. | |
| Sunset | 4:45 P.M. | |
| Civil Twilight Ends the sun’s center is 6° below the horizon |
5:16 P.M. | |
| Nautical Twilight Ends the sun’s center is 12° below the horizon |
5:52 P.M. | |
| Astronomical Twilight Ends the sun’s center is 18° below the horizon |
6:26 P.M. |
