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Astronomy

Aug. 21, 2017 Rise Solar Noon Set
Actual Time 6:05 AM MDT 12:58 PM MDT 7:50 PM MDT
Civil Twilight 5:34 AM MDT   8:20 PM MDT
Nautical Twilight 4:56 AM MDT   8:58 PM MDT
Astronomical Twilight 4:15 AM MDT   9:39 PM MDT
Altitude -0.8° 57.4° -0.8°
Azimuth 72.3° 180.0° 287.5°
Hour Angle of the Sun 103.2° 103.1° -103.0°
Mean Anomaly of the Sun 226.77° 227.05° 227.33°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 150.78° 151.04° 151.30°
Sun Declination 11.95° 11.85° 11.76°
Moon 5:50 AM MDT   7:58 PM MDT
Length of Visible Light 14h 46m
Length of Day
13h 44m
Waning Crescent, 0% of the Moon is Illuminated
Aug 21
Waning Crescent
Aug 21
New
Aug 29
First Quarter
Sep 6
Full
Sep 13
Last Quarter