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Astronomy

Dec. 21, 2014 Rise Solar Noon Set
Actual Time 7:18 AM MST 11:56 AM MST 4:35 PM MST
Civil Twilight 6:47 AM MST   5:06 PM MST
Nautical Twilight 6:13 AM MST   5:40 PM MST
Astronomical Twilight 5:40 AM MST   6:13 PM MST
Altitude -0.8° 26.2° -0.8°
Azimuth 120.6° 180.0° 239.4°
Hour Angle of the Sun 69.6° 69.6° -69.6°
Mean Anomaly of the Sun 346.89° 347.08° 347.27°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -90.40° -90.18° -89.97°
Sun Declination -23.43° -23.43° -23.43°
Moon 6:36 AM MST   4:44 PM MST
Length of Visible Light 10h 18m
Length of Day
9h 17m
Waning Crescent, 1% of the Moon is Illuminated
Dec 21
Waning Crescent
Dec 21
New
Dec 28
First Quarter
Jan 4
Full
Jan 13
Last Quarter