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Astronomy

Dec. 11, 2019 Rise Solar Noon Set
Actual Time 7:22 AM MST 11:59 AM MST 4:35 PM MST
Civil Twilight 6:51 AM MST   5:06 PM MST
Nautical Twilight 6:16 AM MST   5:41 PM MST
Astronomical Twilight 5:42 AM MST   6:15 PM MST
Altitude -0.8° 25.3° -0.8°
Azimuth 120.7° 180.0° 239.2°
Hour Angle of the Sun 69.1° 69.0° -69.0°
Mean Anomaly of the Sun 336.74° 336.93° 337.12°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -101.70° -101.49° -101.28°
Sun Declination -23.00° -23.02° -23.03°
Moon 4:28 PM MST (12/11)   6:40 AM MST (12/11)
Length of Visible Light 10h 15m
Length of Day
9h 12m
Full, 100% of the Moon is Illuminated
Dec 11
Full
Dec 12
Full
Dec 18
Last Quarter
Dec 26
New
Jan 2
First Quarter