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Astronomy

Dec. 12, 2017 Rise Solar Noon Set
Actual Time 7:10 AM CST 11:55 AM CST 4:40 PM CST
Civil Twilight 6:40 AM CST   5:10 PM CST
Nautical Twilight 6:07 AM CST   5:43 PM CST
Astronomical Twilight 5:34 AM CST   6:15 PM CST
Altitude -0.8° 28.3° -0.8°
Azimuth 119.4° 180.0° 240.6°
Hour Angle of the Sun 71.3° 71.3° -71.3°
Mean Anomaly of the Sun 338.19° 338.38° 338.58°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -100.12° -99.90° -99.68°
Sun Declination -23.11° -23.12° -23.14°
Moon 1:41 AM CST   1:44 PM CST
Length of Visible Light 10h 30m
Length of Day
9h 30m
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