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Astronomy

Jan. 20, 2017 Rise Solar Noon Set
Actual Time 7:43 AM CST 12:28 PM CST 5:14 PM CST
Civil Twilight 7:12 AM CST   5:45 PM CST
Nautical Twilight 6:37 AM CST   6:20 PM CST
Astronomical Twilight 6:03 AM CST   6:54 PM CST
Altitude -0.8° 26.8° -0.8°
Azimuth 117.1° 180.0° 243.0°
Hour Angle of the Sun 71.3° 71.3° -71.4°
Mean Anomaly of the Sun 16.90° 17.10° 17.29°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -57.10° -56.89° -56.68°
Sun Declination -20.00° -19.95° -19.91°
Moon 1:06 AM CST (1/20)   12:12 PM CST (1/20)
Length of Visible Light 10h 33m
Length of Day
9h 30m
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