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Astronomy

Aug. 20, 2017 Rise Solar Noon Set
Actual Time 6:42 AM MDT 1:31 PM MDT 8:18 PM MDT
Civil Twilight 6:13 AM MDT   8:48 PM MDT
Nautical Twilight 5:38 AM MDT   9:23 PM MDT
Astronomical Twilight 5:00 AM MDT   10:00 PM MDT
Altitude -0.8° 61.0° -0.8°
Azimuth 72.8° 180.0° 286.9°
Hour Angle of the Sun 102.1° 102.1° -102.0°
Mean Anomaly of the Sun 225.81° 226.09° 226.37°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 149.87° 150.14° 150.40°
Sun Declination 12.27° 12.18° 12.09°
Moon 5:22 AM MDT   7:46 PM MDT
Length of Visible Light 14h 34m
Length of Day
13h 36m
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