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Astronomy

Dec. 12, 2019 Rise Solar Noon Set
Actual Time 7:48 AM MST 12:19 PM MST 4:49 PM MST
Civil Twilight 7:16 AM MST   5:21 PM MST
Nautical Twilight 6:40 AM MST   5:57 PM MST
Astronomical Twilight 6:05 AM MST   6:32 PM MST
Altitude -0.8° 23.4° -0.8°
Azimuth 121.8° 180.0° 238.2°
Hour Angle of the Sun 67.5° 67.5° -67.5°
Mean Anomaly of the Sun 337.74° 337.93° 338.11°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -100.58° -100.38° -100.17°
Sun Declination -23.08° -23.09° -23.11°
Moon 5:29 PM MST   8:11 AM MST
Length of Visible Light 10h 05m
Length of Day
9h 00m
Full, 100% of the Moon is Illuminated
Dec 12
Full
Dec 18
Last Quarter
Dec 26
New
Jan 2
First Quarter
Jan 10
Full