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Astronomy

Jan. 20, 2018 Rise Solar Noon Set
Actual Time 7:47 AM MST 12:25 PM MST 5:02 PM MST
Civil Twilight 7:14 AM MST   5:35 PM MST
Nautical Twilight 6:38 AM MST   6:12 PM MST
Astronomical Twilight 6:02 AM MST   6:47 PM MST
Altitude -0.8° 24.2° -0.8°
Azimuth 118.5° 180.0° 241.6°
Hour Angle of the Sun 69.3° 69.4° -69.4°
Mean Anomaly of the Sun 16.69° 16.88° 17.07°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -57.31° -57.10° -56.90°
Sun Declination -20.04° -20.00° -19.96°
Moon 9:46 AM MST (1/20)   8:50 PM MST (1/20)
Length of Visible Light 10h 20m
Length of Day
9h 15m
Waxing Crescent, 15% of the Moon is Illuminated
Jan 21
Waxing Crescent
Jan 24
First Quarter
Jan 31
Full
Feb 7
Last Quarter
Feb 15
New