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Astronomy

Dec. 10, 2017 Rise Solar Noon Set
Actual Time 7:03 AM MST 11:47 AM MST 4:30 PM MST
Civil Twilight 6:33 AM MST   5:00 PM MST
Nautical Twilight 5:59 AM MST   5:34 PM MST
Astronomical Twilight 5:26 AM MST   6:07 PM MST
Altitude -0.8° 27.8° -0.8°
Azimuth 119.5° 180.0° 240.5°
Hour Angle of the Sun 71.0° 71.0° -70.9°
Mean Anomaly of the Sun 336.25° 336.45° 336.64°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -102.28° -102.07° -101.85°
Sun Declination -22.95° -22.97° -22.99°
Moon No Moon Rise   12:36 PM MST (12/10)
Length of Visible Light 10h 27m
Length of Day
9h 27m
Last Quarter, 43% of the Moon is Illuminated
Dec 10
Last Quarter
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter