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Astronomy

Aug. 21, 2017 Rise Solar Noon Set
Actual Time 6:18 AM MDT 1:03 PM MDT 7:47 PM MDT
Civil Twilight 5:50 AM MDT   8:15 PM MDT
Nautical Twilight 5:16 AM MDT   8:49 PM MDT
Astronomical Twilight 4:40 AM MDT   9:25 PM MDT
Altitude -0.8° 62.2° -0.8°
Azimuth 73.7° 180.0° 286.1°
Hour Angle of the Sun 101.2° 101.1° -101.0°
Mean Anomaly of the Sun 226.78° 227.06° 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 6:05 AM MDT   7:56 PM MDT
Length of Visible Light 14h 25m
Length of Day
13h 28m
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