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Astronomy

Jan. 20, 2017 Rise Solar Noon Set
Actual Time 8:00 AM MST 12:34 PM MST 5:08 PM MST
Civil Twilight 7:26 AM MST   5:42 PM MST
Nautical Twilight 6:49 AM MST   6:19 PM MST
Astronomical Twilight 6:13 AM MST   6:55 PM MST
Altitude -0.8° 23.0° -0.8°
Azimuth 119.1° 180.0° 241.1°
Hour Angle of the Sun 68.4° 68.5° -68.5°
Mean Anomaly of the Sun 16.96° 17.14° 17.33°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -57.04° -56.84° -56.64°
Sun Declination -19.99° -19.94° -19.90°
Moon 1:19 AM MST (1/20)   12:13 PM MST (1/20)
Length of Visible Light 10h 15m
Length of Day
9h 07m
Last Quarter, 38% of the Moon is Illuminated
Jan 21
Last Quarter
Jan 27
New
Feb 3
First Quarter
Feb 10
Full
Feb 18
Last Quarter