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Astronomy

Aug. 20, 2017 Rise Solar Noon Set
Actual Time 6:02 AM MDT 1:00 PM MDT 7:57 PM MDT
Civil Twilight 5:30 AM MDT   8:29 PM MDT
Nautical Twilight 4:50 AM MDT   9:08 PM MDT
Astronomical Twilight 4:06 AM MDT   9:52 PM MDT
Altitude -0.8° 55.8° -0.8°
Azimuth 71.1° 180.0° 288.6°
Hour Angle of the Sun 104.5° 104.4° -104.2°
Mean Anomaly of the Sun 225.78° 226.07° 226.35°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 149.85° 150.12° 150.39°
Sun Declination 12.28° 12.19° 12.09°
Moon 4:37 AM MDT   7:26 PM MDT
Length of Visible Light 14h 59m
Length of Day
13h 54m
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