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Astronomy

Aug. 20, 2017 Rise Solar Noon Set
Actual Time 6:11 AM MDT 12:58 PM MDT 7:44 PM MDT
Civil Twilight 5:42 AM MDT   8:13 PM MDT
Nautical Twilight 5:08 AM MDT   8:47 PM MDT
Astronomical Twilight 4:31 AM MDT   9:24 PM MDT
Altitude -0.8° 61.9° -0.8°
Azimuth 73.1° 180.0° 286.7°
Hour Angle of the Sun 101.8° 101.7° -101.6°
Mean Anomaly of the Sun 225.79° 226.07° 226.35°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 149.85° 150.12° 150.38°
Sun Declination 12.28° 12.19° 12.09°
Moon 4:50 AM MDT   7:11 PM MDT
Length of Visible Light 14h 30m
Length of Day
13h 33m
Waning Crescent, 2% of the Moon is Illuminated
Aug 20
Waning Crescent
Aug 21
New
Aug 29
First Quarter
Sep 6
Full
Sep 13
Last Quarter