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Astronomy

Jan. 20, 2017 Rise Solar Noon Set
Actual Time 8:03 AM MST 12:41 PM MST 5:18 PM MST
Civil Twilight 7:31 AM MST   5:51 PM MST
Nautical Twilight 6:54 AM MST   6:28 PM MST
Astronomical Twilight 6:18 AM MST   7:03 PM MST
Altitude -0.8° 24.1° -0.8°
Azimuth 118.5° 180.0° 241.7°
Hour Angle of the Sun 69.3° 69.3° -69.4°
Mean Anomaly of the Sun 16.96° 17.15° 17.34°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -57.04° -56.83° -56.63°
Sun Declination -19.99° -19.94° -19.90°
Moon 1:25 AM MST (1/20)   12:22 PM MST (1/20)
Length of Visible Light 10h 20m
Length of Day
9h 14m
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