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Astronomy

Dec. 15, 2019 Rise Solar Noon Set
Actual Time 11:21 AM MST 1:08 PM MST 2:55 PM MST
Civil Twilight 9:53 AM MST   4:23 PM MST
Nautical Twilight 8:40 AM MST   5:36 PM MST
Astronomical Twilight 7:38 AM MST   6:39 PM MST
Altitude -0.8° 1.5° -0.8°
Azimuth 155.6° 180.0° 204.4°
Hour Angle of the Sun 26.8° 26.8° -26.7°
Mean Anomaly of the Sun 340.85° 340.92° 340.99°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -97.11° -97.02° -96.94°
Sun Declination -23.28° -23.28° -23.28°
Moon 7:18 PM MST (12/15)   2:00 PM MST (12/15)
Length of Visible Light 6h 30m
Length of Day
3h 34m
Waning Gibbous, 83% of the Moon is Illuminated
Dec 15
Waning Gibbous
Dec 18
Last Quarter
Dec 26
New
Jan 2
First Quarter
Jan 10
Full