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Astronomy

Dec. 15, 2019 Rise Solar Noon Set
Actual Time 7:06 AM MST 12:06 PM MST 5:07 PM MST
Civil Twilight 6:38 AM MST   5:34 PM MST
Nautical Twilight 6:08 AM MST   6:05 PM MST
Astronomical Twilight 5:38 AM MST   6:35 PM MST
Altitude -0.8° 34.1° -0.8°
Azimuth 117.4° 180.0° 242.6°
Hour Angle of the Sun 75.1° 75.1° -75.1°
Mean Anomaly of the Sun 340.67° 340.88° 341.08°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -97.30° -97.07° -96.84°
Sun Declination -23.27° -23.28° -23.29°
Moon 8:50 PM MST   10:13 AM MST
Length of Visible Light 10h 55m
Length of Day
10h 01m
Waning Gibbous, 84% of the Moon is Illuminated
Dec 15
Waning Gibbous
Dec 18
Last Quarter
Dec 26
New
Jan 2
First Quarter
Jan 10
Full