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Astronomy

Dec. 17, 2017 Rise Solar Noon Set
Actual Time 6:52 AM CST 11:42 AM CST 4:32 PM CST
Civil Twilight 6:24 AM CST   5:01 PM CST
Nautical Twilight 5:51 AM CST   5:33 PM CST
Astronomical Twilight 5:20 AM CST   6:05 PM CST
Altitude -0.8° 29.9° -0.8°
Azimuth 119.0° 180.0° 241.0°
Hour Angle of the Sun 72.4° 72.4° -72.4°
Mean Anomaly of the Sun 343.10° 343.30° 343.50°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -94.61° -94.38° -94.16°
Sun Declination -23.37° -23.37° -23.38°
Moon 6:06 AM CST   4:27 PM CST
Length of Visible Light 10h 37m
Length of Day
9h 39m
Waning Crescent, 0% of the Moon is Illuminated
Dec 17
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter