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Astronomy

Dec. 11, 2017 Rise Solar Noon Set
Actual Time 7:21 AM CST 11:50 AM CST 4:19 PM CST
Civil Twilight 6:48 AM CST   4:52 PM CST
Nautical Twilight 6:12 AM CST   5:29 PM CST
Astronomical Twilight 5:37 AM CST   6:03 PM CST
Altitude -0.8° 23.2° -0.8°
Azimuth 121.9° 180.0° 238.1°
Hour Angle of the Sun 67.3° 67.3° -67.3°
Mean Anomaly of the Sun 337.21° 337.39° 337.58°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -101.21° -101.01° -100.80°
Sun Declination -23.03° -23.05° -23.06°
Moon 12:34 AM CST   1:10 PM CST
Length of Visible Light 10h 04m
Length of Day
8h 58m
Last Quarter, 40% of the Moon is Illuminated
Dec 11
Last Quarter
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter