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Astronomy

Dec. 13, 2019 Rise Solar Noon Set
Actual Time 6:58 AM MST 11:52 AM MST 4:46 PM MST
Civil Twilight 6:30 AM MST   5:14 PM MST
Nautical Twilight 5:58 AM MST   5:46 PM MST
Astronomical Twilight 5:27 AM MST   6:17 PM MST
Altitude -0.8° 31.4° -0.8°
Azimuth 118.2° 180.0° 241.8°
Hour Angle of the Sun 73.4° 73.4° -73.4°
Mean Anomaly of the Sun 338.69° 338.89° 339.10°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -99.52° -99.29° -99.07°
Sun Declination -23.15° -23.16° -23.17°
Moon 6:21 PM MST   8:19 AM MST
Length of Visible Light 10h 44m
Length of Day
9h 47m
Full, 98% of the Moon is Illuminated
Dec 13
Full
Dec 18
Last Quarter
Dec 26
New
Jan 2
First Quarter
Jan 10
Full