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Astronomy

Dec. 21, 2014 Rise Solar Noon Set
Actual Time 7:57 AM MST 12:33 PM MST 5:08 PM MST
Civil Twilight 7:26 AM MST   5:40 PM MST
Nautical Twilight 6:51 AM MST   6:14 PM MST
Astronomical Twilight 6:17 AM MST   6:48 PM MST
Altitude -0.8° 25.1° -0.8°
Azimuth 121.2° 180.0° 238.8°
Hour Angle of the Sun 68.8° 68.8° -68.8°
Mean Anomaly of the Sun 346.91° 347.10° 347.29°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -90.37° -90.16° -89.94°
Sun Declination -23.43° -23.43° -23.43°
Moon 7:17 AM MST   5:19 PM MST
Length of Visible Light 10h 13m
Length of Day
9h 10m
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