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Astronomy

Dec. 10, 2017 Rise Solar Noon Set
Actual Time 7:44 AM MST 12:16 PM MST 4:49 PM MST
Civil Twilight 7:12 AM MST   5:21 PM MST
Nautical Twilight 6:36 AM MST   5:57 PM MST
Astronomical Twilight 6:02 AM MST   6:31 PM MST
Altitude -0.8° 24.1° -0.8°
Azimuth 121.3° 180.0° 238.6°
Hour Angle of the Sun 68.1° 68.1° -68.1°
Mean Anomaly of the Sun 336.28° 336.47° 336.65°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -102.25° -102.04° -101.83°
Sun Declination -22.96° -22.97° -22.99°
Moon No Moon Rise   1:09 PM MST (12/10)
Length of Visible Light 10h 09m
Length of Day
9h 04m
Last Quarter, 43% of the Moon is Illuminated
Dec 10
Last Quarter
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter