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Astronomy

Jan. 21, 2017 Rise Solar Noon Set
Actual Time 7:31 AM MST 12:29 PM MST 5:27 PM MST
Civil Twilight 7:02 AM MST   5:56 PM MST
Nautical Twilight 6:30 AM MST   6:28 PM MST
Astronomical Twilight 5:58 AM MST   7:00 PM MST
Altitude -0.8° 31.7° -0.8°
Azimuth 114.9° 180.0° 245.2°
Hour Angle of the Sun 74.5° 74.6° -74.6°
Mean Anomaly of the Sun 17.92° 18.13° 18.33°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -56.01° -55.79° -55.57°
Sun Declination -19.77° -19.72° -19.67°
Moon 1:59 AM MST (1/21)   12:54 PM MST (1/21)
Length of Visible Light 10h 54m
Length of Day
9h 56m
Waning Crescent, 29% of the Moon is Illuminated
Jan 21
Waning Crescent
Jan 27
New
Feb 3
First Quarter
Feb 10
Full
Feb 18
Last Quarter