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Astronomy

Dec. 13, 2019 Rise Solar Noon Set
Actual Time 7:32 AM MST 12:12 PM MST 4:51 PM MST
Civil Twilight 7:01 AM MST   5:22 PM MST
Nautical Twilight 6:27 AM MST   5:56 PM MST
Astronomical Twilight 5:54 AM MST   6:29 PM MST
Altitude -0.8° 26.4° -0.8°
Azimuth 120.3° 180.0° 239.7°
Hour Angle of the Sun 69.9° 69.9° -69.9°
Mean Anomaly of the Sun 338.72° 338.91° 339.10°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -99.49° -99.28° -99.06°
Sun Declination -23.15° -23.16° -23.17°
Moon 6:27 PM MST   8:54 AM MST
Length of Visible Light 10h 20m
Length of Day
9h 19m
Full, 98% of the Moon is Illuminated
Dec 13
Full
Dec 18
Last Quarter
Dec 26
New
Jan 2
First Quarter
Jan 10
Full