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Astronomy

Aug. 21, 2017 Rise Solar Noon Set
Actual Time 6:34 AM MDT 1:09 PM MDT 7:43 PM MDT
Civil Twilight 6:09 AM MDT   8:08 PM MDT
Nautical Twilight 5:39 AM MDT   8:38 PM MDT
Astronomical Twilight 5:08 AM MDT   9:09 PM MDT
Altitude -0.8° 69.9° -0.8°
Azimuth 75.3° 180.0° 284.4°
Hour Angle of the Sun 98.6° 98.5° -98.5°
Mean Anomaly of the Sun 226.79° 227.06° 227.33°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 150.79° 151.05° 151.30°
Sun Declination 11.94° 11.85° 11.76°
Moon 6:22 AM MDT   7:53 PM MDT
Length of Visible Light 13h 59m
Length of Day
13h 08m
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