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Astronomy

Dec. 13, 2019 Rise Solar Noon Set
Actual Time 7:36 AM MST 12:26 PM MST 5:15 PM MST
Civil Twilight 7:07 AM MST   5:44 PM MST
Nautical Twilight 6:35 AM MST   6:17 PM MST
Astronomical Twilight 6:03 AM MST   6:48 PM MST
Altitude -0.8° 29.9° -0.8°
Azimuth 118.8° 180.0° 241.2°
Hour Angle of the Sun 72.4° 72.4° -72.4°
Mean Anomaly of the Sun 338.72° 338.92° 339.12°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -99.49° -99.27° -99.04°
Sun Declination -23.15° -23.16° -23.18°
Moon 6:52 PM MST   8:58 AM MST
Length of Visible Light 10h 37m
Length of Day
9h 39m
Full, 97% of the Moon is Illuminated
Dec 13
Full
Dec 18
Last Quarter
Dec 26
New
Jan 2
First Quarter
Jan 10
Full