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Astronomy

Dec. 13, 2017 Rise Solar Noon Set
Actual Time 8:50 AM CST 1:57 PM CST 7:04 PM CST
Civil Twilight 8:24 AM CST   7:30 PM CST
Nautical Twilight 7:54 AM CST   8:00 PM CST
Astronomical Twilight 7:25 AM CST   8:30 PM CST
Altitude -0.8° 36.7° -0.8°
Azimuth 116.5° 180.0° 243.5°
Hour Angle of the Sun 76.7° 76.7° -76.7°
Mean Anomaly of the Sun 338.67° 338.88° 339.09°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -99.58° -99.35° -99.11°
Sun Declination -23.14° -23.16° -23.17°
Moon 4:09 AM CST   4:07 PM CST
Length of Visible Light 11h 06m
Length of Day
10h 13m
Waning Crescent, 21% of the Moon is Illuminated
Dec 13
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter