Sunrise & Sunset for Boulder, CO

Friday, August 7, 2020 for Boulder, CO
Position of the SunTime of DayLength of Day
Astronomical Twilight Begins
the sun’s center is 18° below the horizon
4:21 A.M.
Nautical Twilight Begins
the sun’s center is 12° below the horizon
5:00 A.M.
Civil Twilight Begins
the sun’s center is 6° below the horizon
5:36 A.M.
Sunrise 6:06 A.M.14 Hours
Transit
the sun reaches its highest point in the sky
1:06 P.M.
Sunset 8:06 P.M.
Civil Twilight Ends
the sun’s center is 6° below the horizon
8:36 P.M.
Nautical Twilight Ends
the sun’s center is 12° below the horizon
9:12 P.M.
Astronomical Twilight Ends
the sun’s center is 18° below the horizon
9:51 P.M.

All times are at sea level.