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Astronomy

Dec. 14, 2017 Rise Solar Noon Set
Actual Time 7:22 AM MST 11:48 AM MST 4:13 PM MST
Civil Twilight 6:49 AM MST   4:47 PM MST
Nautical Twilight 6:12 AM MST   5:24 PM MST
Astronomical Twilight 5:37 AM MST   5:59 PM MST
Altitude -0.8° 22.1° -0.8°
Azimuth 122.7° 180.0° 237.3°
Hour Angle of the Sun 66.3° 66.3° -66.3°
Mean Anomaly of the Sun 340.21° 340.39° 340.57°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -97.86° -97.65° -97.45°
Sun Declination -23.24° -23.25° -23.26°
Moon 3:40 AM MST   2:31 PM MST
Length of Visible Light 9h 57m
Length of Day
8h 50m
Waning Crescent, 10% of the Moon is Illuminated
Dec 14
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter