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Astronomy

Dec. 15, 2019 Rise Solar Noon Set
Actual Time 7:16 AM MST 12:18 PM MST 5:20 PM MST
Civil Twilight 6:49 AM MST   5:47 PM MST
Nautical Twilight 6:19 AM MST   6:18 PM MST
Astronomical Twilight 5:49 AM MST   6:47 PM MST
Altitude -0.8° 34.6° -0.8°
Azimuth 117.2° 180.0° 242.7°
Hour Angle of the Sun 75.4° 75.4° -75.4°
Mean Anomaly of the Sun 340.68° 340.88° 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 9:03 PM MST   10:25 AM MST
Length of Visible Light 10h 57m
Length of Day
10h 03m
Waning Gibbous, 89% of the Moon is Illuminated
Dec 15
Waning Gibbous
Dec 18
Last Quarter
Dec 26
New
Jan 2
First Quarter
Jan 10
Full