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Astronomy

Dec. 12, 2017 Rise Solar Noon Set
Actual Time 7:12 AM CST 11:45 AM CST 4:18 PM CST
Civil Twilight 6:40 AM CST   4:50 PM CST
Nautical Twilight 6:05 AM CST   5:26 PM CST
Astronomical Twilight 5:30 AM CST   6:00 PM CST
Altitude -0.8° 24.3° -0.8°
Azimuth 121.3° 180.0° 238.6°
Hour Angle of the Sun 68.2° 68.2° -68.2°
Mean Anomaly of the Sun 338.19° 338.38° 338.56°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -100.12° -99.91° -99.70°
Sun Declination -23.11° -23.12° -23.14°
Moon 1:31 AM CST   1:33 PM CST
Length of Visible Light 10h 09m
Length of Day
9h 05m
Waning Crescent, 27% of the Moon is Illuminated
Dec 12
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter