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Astronomy

Aug. 20, 2017 Rise Solar Noon Set
Actual Time 6:16 AM MDT 1:08 PM MDT 7:59 PM MDT
Civil Twilight 5:45 AM MDT   8:30 PM MDT
Nautical Twilight 5:08 AM MDT   9:06 PM MDT
Astronomical Twilight 4:28 AM MDT   9:46 PM MDT
Altitude -0.8° 58.8° -0.8°
Azimuth 72.1° 180.0° 287.6°
Hour Angle of the Sun 103.1° 103.0° -102.9°
Mean Anomaly of the Sun 225.79° 226.07° 226.36°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 149.86° 150.12° 150.39°
Sun Declination 12.28° 12.18° 12.09°
Moon 4:53 AM MDT   7:27 PM MDT
Length of Visible Light 14h 44m
Length of Day
13h 43m
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