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Astronomy

Dec. 11, 2019 Rise Solar Noon Set
Actual Time 7:37 AM MST 12:27 PM MST 5:17 PM MST
Civil Twilight 7:08 AM MST   5:46 PM MST
Nautical Twilight 6:36 AM MST   6:18 PM MST
Astronomical Twilight 6:04 AM MST   6:50 PM MST
Altitude -0.8° 29.9° -0.8°
Azimuth 118.6° 180.0° 241.3°
Hour Angle of the Sun 72.5° 72.5° -72.4°
Mean Anomaly of the Sun 336.75° 336.95° 337.15°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -101.69° -101.47° -101.25°
Sun Declination -23.00° -23.02° -23.03°
Moon 5:10 PM MST (12/11)   6:57 AM MST (12/11)
Length of Visible Light 10h 37m
Length of Day
9h 39m
Full, 100% of the Moon is Illuminated
Dec 11
Full
Dec 12
Full
Dec 18
Last Quarter
Dec 26
New
Jan 2
First Quarter