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 |
3:37 A.M. | |
| Nautical Twilight Begins the sun’s center is 12° below the horizon |
4:27 A.M. | |
| Civil Twilight Begins the sun’s center is 6° below the horizon |
5:10 A.M. | |
| Sunrise | 5:42 A.M. | 14 Hours 59 Minutes |
| Transit the sun reaches its highest point in the sky | 1:12 P.M. | |
| Sunset | 8:42 P.M. | |
| Civil Twilight Ends the sun’s center is 6° below the horizon |
9:13 P.M. | |
| Nautical Twilight Ends the sun’s center is 12° below the horizon |
9:56 P.M. | |
| Astronomical Twilight Ends the sun’s center is 18° below the horizon |
10:46 P.M. |