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Astronomy

Dec. 11, 2017 Rise Solar Noon Set
Actual Time 7:39 AM CST 12:02 PM CST 4:26 PM CST
Civil Twilight 7:05 AM CST   5:00 PM CST
Nautical Twilight 6:27 AM CST   5:37 PM CST
Astronomical Twilight 5:51 AM CST   6:13 PM CST
Altitude -0.8° 21.6° -0.8°
Azimuth 122.8° 180.0° 237.1°
Hour Angle of the Sun 65.9° 65.9° -65.9°
Mean Anomaly of the Sun 337.22° 337.40° 337.58°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -101.20° -101.00° -100.80°
Sun Declination -23.04° -23.05° -23.06°
Moon 12:46 AM CST   1:22 PM CST
Length of Visible Light 9h 55m
Length of Day
8h 47m
Last Quarter, 36% of the Moon is Illuminated
Dec 11
Last Quarter
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter