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Astronomy

Dec. 15, 2019 Rise Solar Noon Set
Actual Time 7:42 AM MST 12:22 PM MST 5:01 PM MST
Civil Twilight 7:11 AM MST   5:32 PM MST
Nautical Twilight 6:37 AM MST   6:06 PM MST
Astronomical Twilight 6:04 AM MST   6:39 PM MST
Altitude -0.8° 26.5° -0.8°
Azimuth 120.3° 180.0° 239.6°
Hour Angle of the Sun 69.9° 69.9° -69.9°
Mean Anomaly of the Sun 340.69° 340.89° 341.08°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -97.27° -97.06° -96.84°
Sun Declination -23.27° -23.28° -23.29°
Moon 8:48 PM MST   10:48 AM MST
Length of Visible Light 10h 21m
Length of Day
9h 19m
Waning Gibbous, 85% of the Moon is Illuminated
Dec 15
Waning Gibbous
Dec 18
Last Quarter
Dec 26
New
Jan 2
First Quarter
Jan 10
Full