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Astronomy

Aug. 21, 2017 Rise Solar Noon Set
Actual Time 5:52 AM MDT 12:46 PM MDT 7:40 PM MDT
Civil Twilight 5:20 AM MDT   8:11 PM MDT
Nautical Twilight 4:41 AM MDT   8:50 PM MDT
Astronomical Twilight 3:59 AM MDT   9:31 PM MDT
Altitude -0.8° 56.4° -0.8°
Azimuth 71.9° 180.0° 287.8°
Hour Angle of the Sun 103.7° 103.6° -103.4°
Mean Anomaly of the Sun 226.76° 227.04° 227.33°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 150.77° 151.03° 151.30°
Sun Declination 11.95° 11.86° 11.76°
Moon 5:36 AM MDT   7:48 PM MDT
Length of Visible Light 14h 51m
Length of Day
13h 48m
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