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Astronomy

Dec. 15, 2019 Rise Solar Noon Set
Actual Time 7:50 AM MST 12:19 PM MST 4:47 PM MST
Civil Twilight 7:17 AM MST   5:20 PM MST
Nautical Twilight 6:41 AM MST   5:56 PM MST
Astronomical Twilight 6:06 AM MST   6:31 PM MST
Altitude -0.8° 23.0° -0.8°
Azimuth 122.2° 180.0° 237.8°
Hour Angle of the Sun 67.0° 67.0° -67.0°
Mean Anomaly of the Sun 340.70° 340.88° 341.07°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -97.27° -97.06° -96.86°
Sun Declination -23.27° -23.28° -23.29°
Moon 8:35 PM MST   10:56 AM MST
Length of Visible Light 10h 02m
Length of Day
8h 56m
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