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Astronomy

Dec. 16, 2019 Rise Solar Noon Set
Actual Time 7:26 AM MST 12:24 PM MST 5:23 PM MST
Civil Twilight 6:58 AM MST   5:50 PM MST
Nautical Twilight 6:27 AM MST   6:21 PM MST
Astronomical Twilight 5:57 AM MST   6:52 PM MST
Altitude -0.8° 33.2° -0.8°
Azimuth 117.7° 180.0° 242.3°
Hour Angle of the Sun 74.6° 74.6° -74.6°
Mean Anomaly of the Sun 341.67° 341.87° 342.08°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -96.18° -95.95° -95.72°
Sun Declination -23.31° -23.32° -23.33°
Moon 10:13 PM MST   11:19 AM MST
Length of Visible Light 10h 51m
Length of Day
9h 56m
Waning Gibbous, 79% of the Moon is Illuminated
Dec 16
Waning Gibbous
Dec 18
Last Quarter
Dec 26
New
Jan 2
First Quarter
Jan 10
Full