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Astronomy

Dec. 11, 2017 Rise Solar Noon Set
Actual Time 7:11 AM CST 12:06 PM CST 5:00 PM CST
Civil Twilight 6:43 AM CST   5:28 PM CST
Nautical Twilight 6:11 AM CST   6:00 PM CST
Astronomical Twilight 5:40 AM CST   6:31 PM CST
Altitude -0.8° 31.7° -0.8°
Azimuth 118.0° 180.0° 242.0°
Hour Angle of the Sun 73.7° 73.6° -73.6°
Mean Anomaly of the Sun 337.20° 337.40° 337.61°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -101.22° -101.00° -100.77°
Sun Declination -23.03° -23.05° -23.07°
Moon 12:53 AM CST   1:25 PM CST
Length of Visible Light 10h 45m
Length of Day
9h 49m
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