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Astronomy

Jan. 21, 2018 Rise Solar Noon Set
Actual Time 7:57 AM MST 12:41 PM MST 5:26 PM MST
Civil Twilight 7:25 AM MST   5:57 PM MST
Nautical Twilight 6:50 AM MST   6:32 PM MST
Astronomical Twilight 6:16 AM MST   7:07 PM MST
Altitude -0.8° 26.4° -0.8°
Azimuth 117.2° 180.0° 243.0°
Hour Angle of the Sun 71.0° 71.1° -71.1°
Mean Anomaly of the Sun 17.68° 17.88° 18.07°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -56.24° -56.04° -55.83°
Sun Declination -19.82° -19.77° -19.73°
Moon 10:28 AM MST (1/21)   10:12 PM MST (1/21)
Length of Visible Light 10h 31m
Length of Day
9h 28m
Waxing Crescent, 21% of the Moon is Illuminated
Jan 21
Waxing Crescent
Jan 24
First Quarter
Jan 31
Full
Feb 7
Last Quarter
Feb 15
New