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Astronomy

Dec. 12, 2017 Rise Solar Noon Set
Actual Time 7:19 AM CST 11:54 AM CST 4:30 PM CST
Civil Twilight 6:47 AM CST   5:01 PM CST
Nautical Twilight 6:12 AM CST   5:36 PM CST
Astronomical Twilight 5:38 AM CST   6:10 PM CST
Altitude -0.8° 25.0° -0.8°
Azimuth 120.9° 180.0° 239.0°
Hour Angle of the Sun 68.8° 68.8° -68.8°
Mean Anomaly of the Sun 338.19° 338.38° 338.57°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -100.11° -99.90° -99.69°
Sun Declination -23.11° -23.12° -23.14°
Moon 1:41 AM CST   1:42 PM CST
Length of Visible Light 10h 13m
Length of Day
9h 10m
Waning Crescent, 29% of the Moon is Illuminated
Dec 12
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter