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Astronomy

Dec. 20, 2014 Rise Solar Noon Set
Actual Time 7:59 AM MST 12:23 PM MST 4:46 PM MST
Civil Twilight 7:26 AM MST   5:20 PM MST
Nautical Twilight 6:48 AM MST   5:57 PM MST
Astronomical Twilight 6:13 AM MST   6:33 PM MST
Altitude -0.8° 21.6° -0.8°
Azimuth 123.2° 180.0° 236.8°
Hour Angle of the Sun 65.8° 65.8° -65.8°
Mean Anomaly of the Sun 345.93° 346.11° 346.29°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -91.48° -91.27° -91.07°
Sun Declination -23.43° -23.43° -23.43°
Moon 6:16 AM MST   4:03 PM MST
Length of Visible Light 9h 54m
Length of Day
8h 46m
Waning Crescent, 2% of the Moon is Illuminated
Dec 20
Waning Crescent
Dec 21
New
Dec 28
First Quarter
Jan 4
Full
Jan 13
Last Quarter