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Astronomy

Dec. 12, 2017 Rise Solar Noon Set
Actual Time 6:41 AM CST 11:46 AM CST 4:50 PM CST
Civil Twilight 6:14 AM CST   5:17 PM CST
Nautical Twilight 5:44 AM CST   5:47 PM CST
Astronomical Twilight 5:14 AM CST   6:17 PM CST
Altitude -0.8° 35.8° -0.8°
Azimuth 116.7° 180.0° 243.2°
Hour Angle of the Sun 76.2° 76.2° -76.2°
Mean Anomaly of the Sun 338.17° 338.38° 338.58°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -100.14° -99.91° -99.68°
Sun Declination -23.11° -23.12° -23.14°
Moon 1:30 AM CST   1:38 PM CST
Length of Visible Light 11h 02m
Length of Day
10h 09m
Waning Crescent, 24% of the Moon is Illuminated
Dec 12
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter