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Astronomy

Dec. 15, 2019 Rise Solar Noon Set
Actual Time 7:05 AM MST 11:56 AM MST 4:47 PM MST
Civil Twilight 6:36 AM MST   5:15 PM MST
Nautical Twilight 6:04 AM MST   5:48 PM MST
Astronomical Twilight 5:33 AM MST   6:19 PM MST
Altitude -0.8° 30.3° -0.8°
Azimuth 118.7° 180.0° 241.3°
Hour Angle of the Sun 72.7° 72.7° -72.7°
Mean Anomaly of the Sun 340.67° 340.87° 341.07°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -97.30° -97.08° -96.86°
Sun Declination -23.27° -23.28° -23.29°
Moon 8:30 PM MST   10:12 AM MST
Length of Visible Light 10h 39m
Length of Day
9h 41m
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