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Astronomy

Dec. 18, 2017 Rise Solar Noon Set
Actual Time 7:05 AM MST 11:43 AM MST 4:22 PM MST
Civil Twilight 6:34 AM MST   4:53 PM MST
Nautical Twilight 6:00 AM MST   5:27 PM MST
Astronomical Twilight 5:26 AM MST   6:00 PM MST
Altitude -0.8° 26.2° -0.8°
Azimuth 120.6° 180.0° 239.4°
Hour Angle of the Sun 69.6° 69.6° -69.6°
Mean Anomaly of the Sun 344.14° 344.33° 344.52°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -93.44° -93.23° -93.01°
Sun Declination -23.40° -23.40° -23.41°
Moon 7:10 AM MST   5:04 PM MST
Length of Visible Light 10h 18m
Length of Day
9h 17m
New Moon, 0% of the Moon is Illuminated
Dec 18
New Moon
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter
Jan 16
New