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Astronomy

Dec. 21, 2014 Rise Solar Noon Set
Actual Time 7:40 AM MST 12:34 PM MST 5:27 PM MST
Civil Twilight 7:12 AM MST   5:56 PM MST
Nautical Twilight 6:40 AM MST   6:28 PM MST
Astronomical Twilight 6:09 AM MST   6:59 PM MST
Altitude -0.8° 31.4° -0.8°
Azimuth 118.5° 180.0° 241.5°
Hour Angle of the Sun 73.4° 73.4° -73.4°
Mean Anomaly of the Sun 346.90° 347.10° 347.30°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -90.38° -90.16° -89.93°
Sun Declination -23.43° -23.43° -23.43°
Moon 7:03 AM MST   5:36 PM MST
Length of Visible Light 10h 43m
Length of Day
9h 47m
Waning Crescent, 0% of the Moon is Illuminated
Dec 21
Waning Crescent
Dec 21
New
Dec 28
First Quarter
Jan 4
Full
Jan 13
Last Quarter