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Astronomy

Aug. 21, 2017 Rise Solar Noon Set
Actual Time 6:31 AM MDT 1:06 PM MDT 7:41 PM MDT
Civil Twilight 6:05 AM MDT   8:07 PM MDT
Nautical Twilight 5:35 AM MDT   8:37 PM MDT
Astronomical Twilight 5:03 AM MDT   9:09 PM MDT
Altitude -0.8° 69.0° -0.8°
Azimuth 75.2° 180.0° 284.6°
Hour Angle of the Sun 98.9° 98.8° -98.7°
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 6:19 AM MDT   7:51 PM MDT
Length of Visible Light 14h 01m
Length of Day
13h 10m
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