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Astronomy

Aug. 20, 2017 Rise Solar Noon Set
Actual Time 6:18 AM MDT 1:04 PM MDT 7:49 PM MDT
Civil Twilight 5:49 AM MDT   8:18 PM MDT
Nautical Twilight 5:15 AM MDT   8:52 PM MDT
Astronomical Twilight 4:38 AM MDT   9:28 PM MDT
Altitude -0.8° 62.4° -0.8°
Azimuth 73.2° 180.0° 286.5°
Hour Angle of the Sun 101.6° 101.5° -101.4°
Mean Anomaly of the Sun 225.79° 226.07° 226.35°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 149.86° 150.12° 150.38°
Sun Declination 12.28° 12.19° 12.09°
Moon 4:57 AM MDT   7:16 PM MDT
Length of Visible Light 14h 28m
Length of Day
13h 31m
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