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Astronomy

Dec. 15, 2019 Rise Solar Noon Set
Actual Time 7:06 AM MST 11:59 AM MST 4:52 PM MST
Civil Twilight 6:38 AM MST   5:20 PM MST
Nautical Twilight 6:06 AM MST   5:52 PM MST
Astronomical Twilight 5:35 AM MST   6:23 PM MST
Altitude -0.8° 31.1° -0.8°
Azimuth 118.4° 180.0° 241.6°
Hour Angle of the Sun 73.2° 73.2° -73.2°
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° -96.85°
Sun Declination -23.27° -23.28° -23.29°
Moon 8:36 PM MST   10:13 AM MST
Length of Visible Light 10h 42m
Length of Day
9h 45m
Waning Gibbous, 88% of the Moon is Illuminated
Dec 15
Waning Gibbous
Dec 18
Last Quarter
Dec 26
New
Jan 2
First Quarter
Jan 10
Full