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Astronomy

Dec. 12, 2019 Rise Solar Noon Set
Actual Time 7:25 AM MST 12:20 PM MST 5:16 PM MST
Civil Twilight 6:57 AM MST   5:44 PM MST
Nautical Twilight 6:25 AM MST   6:16 PM MST
Astronomical Twilight 5:54 AM MST   6:46 PM MST
Altitude -0.8° 32.1° -0.8°
Azimuth 117.9° 180.0° 242.1°
Hour Angle of the Sun 73.9° 73.9° -73.9°
Mean Anomaly of the Sun 337.73° 337.93° 338.13°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -100.60° -100.37° -100.15°
Sun Declination -23.08° -23.09° -23.11°
Moon 5:57 PM MST   7:47 AM MST
Length of Visible Light 10h 47m
Length of Day
9h 51m
Full, 100% of the Moon is Illuminated
Dec 12
Full
Dec 18
Last Quarter
Dec 26
New
Jan 2
First Quarter
Jan 10
Full