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Astronomy

Aug. 20, 2017 Rise Solar Noon Set
Actual Time 6:28 AM MDT 1:05 PM MDT 7:42 PM MDT
Civil Twilight 6:02 AM MDT   8:08 PM MDT
Nautical Twilight 5:32 AM MDT   8:39 PM MDT
Astronomical Twilight 5:00 AM MDT   9:11 PM MDT
Altitude -0.8° 68.8° -0.8°
Azimuth 74.7° 180.0° 285.1°
Hour Angle of the Sun 99.3° 99.2° -99.2°
Mean Anomaly of the Sun 225.80° 226.07° 226.34°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 149.87° 150.12° 150.38°
Sun Declination 12.28° 12.19° 12.09°
Moon 5:11 AM MDT   7:07 PM MDT
Length of Visible Light 14h 05m
Length of Day
13h 13m
Waning Crescent, 1% of the Moon is Illuminated
Aug 20
Waning Crescent
Aug 21
New
Aug 29
First Quarter
Sep 6
Full
Sep 13
Last Quarter