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Astronomy

Dec. 13, 2017 Rise Solar Noon Set
Actual Time 6:29 AM CST 11:36 AM CST 4:43 PM CST
Civil Twilight 6:03 AM CST   5:10 PM CST
Nautical Twilight 5:33 AM CST   5:39 PM CST
Astronomical Twilight 5:04 AM CST   6:09 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 339.14° 339.36° 339.57°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -99.05° -98.81° -98.58°
Sun Declination -23.17° -23.19° -23.20°
Moon 2:15 AM CST   2:03 PM CST
Length of Visible Light 11h 06m
Length of Day
10h 13m
Waning Crescent, 18% of the Moon is Illuminated
Dec 13
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter