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Astronomy

Jan. 20, 2017 Rise Solar Noon Set
Actual Time 7:44 AM CST 12:29 PM CST 5:13 PM CST
Civil Twilight 7:13 AM CST   5:44 PM CST
Nautical Twilight 6:38 AM CST   6:19 PM CST
Astronomical Twilight 6:04 AM CST   6:54 PM CST
Altitude -0.8° 26.4° -0.8°
Azimuth 117.3° 180.0° 242.8°
Hour Angle of the Sun 71.0° 71.0° -71.1°
Mean Anomaly of the Sun 16.91° 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 1:07 AM CST   12:12 PM CST
Length of Visible Light 10h 31m
Length of Day
9h 28m
Last Quarter, 43% of the Moon is Illuminated
Jan 20
Last Quarter
Jan 27
New
Feb 3
First Quarter
Feb 10
Full
Feb 18
Last Quarter