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Astronomy

Dec. 15, 2019 Rise Solar Noon Set
Actual Time 7:27 AM MST 12:25 PM MST 5:22 PM MST
Civil Twilight 6:59 AM MST   5:50 PM MST
Nautical Twilight 6:28 AM MST   6:21 PM MST
Astronomical Twilight 5:58 AM MST   6:52 PM MST
Altitude -0.8° 32.9° -0.8°
Azimuth 117.7° 180.0° 242.2°
Hour Angle of the Sun 74.4° 74.4° -74.4°
Mean Anomaly of the Sun 340.68° 340.89° 341.09°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -97.29° -97.06° -96.83°
Sun Declination -23.27° -23.28° -23.29°
Moon 9:07 PM MST   10:35 AM MST
Length of Visible Light 10h 50m
Length of Day
9h 55m
Waning Gibbous, 87% of the Moon is Illuminated
Dec 15
Waning Gibbous
Dec 18
Last Quarter
Dec 26
New
Jan 2
First Quarter
Jan 10
Full