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Astronomy

Dec. 15, 2019 Rise Solar Noon Set
Actual Time 7:17 AM MST 12:02 PM MST 4:47 PM MST
Civil Twilight 6:48 AM MST   5:17 PM MST
Nautical Twilight 6:14 AM MST   5:50 PM MST
Astronomical Twilight 5:42 AM MST   6:23 PM MST
Altitude -0.8° 28.2° -0.8°
Azimuth 119.6° 180.0° 240.4°
Hour Angle of the Sun 71.2° 71.2° -71.2°
Mean Anomaly of the Sun 340.68° 340.87° 341.07°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -97.29° -97.07° -96.86°
Sun Declination -23.27° -23.28° -23.29°
Moon 8:32 PM MST   10:24 AM MST
Length of Visible Light 10h 29m
Length of Day
9h 29m
Waning Gibbous, 87% of the Moon is Illuminated
Dec 15
Waning Gibbous
Dec 18
Last Quarter
Dec 26
New
Jan 2
First Quarter
Jan 10
Full