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Astronomy

Aug. 21, 2017 Rise Solar Noon Set
Actual Time 6:28 AM MDT 1:27 PM MDT 8:25 PM MDT
Civil Twilight 5:55 AM MDT   8:58 PM MDT
Nautical Twilight 5:14 AM MDT   9:39 PM MDT
Astronomical Twilight 4:29 AM MDT   10:24 PM MDT
Altitude -0.8° 54.2° -0.8°
Azimuth 71.1° 180.0° 288.6°
Hour Angle of the Sun 104.7° 104.6° -104.5°
Mean Anomaly of the Sun 226.79° 227.07° 227.36°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 150.79° 151.06° 151.33°
Sun Declination 11.94° 11.85° 11.75°
Moon 6:15 AM MDT   8:34 PM MDT
Length of Visible Light 15h 02m
Length of Day
13h 56m
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