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Astronomy

Dec. 16, 2019 Rise Solar Noon Set
Actual Time 7:16 AM MST 11:59 AM MST 4:42 PM MST
Civil Twilight 6:46 AM MST   5:12 PM MST
Nautical Twilight 6:13 AM MST   5:46 PM MST
Astronomical Twilight 5:40 AM MST   6:18 PM MST
Altitude -0.8° 27.5° -0.8°
Azimuth 119.9° 180.0° 240.0°
Hour Angle of the Sun 70.7° 70.6° -70.6°
Mean Anomaly of the Sun 341.66° 341.86° 342.05°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -96.19° -95.97° -95.75°
Sun Declination -23.31° -23.32° -23.33°
Moon 9:36 PM MST   11:05 AM MST
Length of Visible Light 10h 25m
Length of Day
9h 25m
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