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Astronomy

Dec. 16, 2017 Rise Solar Noon Set
Actual Time 7:26 AM MST 11:46 AM MST 4:07 PM MST
Civil Twilight 6:52 AM MST   4:41 PM MST
Nautical Twilight 6:14 AM MST   5:19 PM MST
Astronomical Twilight 5:37 AM MST   5:55 PM MST
Altitude -0.8° 20.8° -0.8°
Azimuth 123.6° 180.0° 236.4°
Hour Angle of the Sun 65.1° 65.1° -65.1°
Mean Anomaly of the Sun 342.18° 342.36° 342.54°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -95.64° -95.44° -95.24°
Sun Declination -23.33° -23.34° -23.35°
Moon 5:40 AM MST   3:31 PM MST
Length of Visible Light 9h 49m
Length of Day
8h 40m
Waning Crescent, 2% of the Moon is Illuminated
Dec 16
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter