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Astronomy

Dec. 12, 2017 Rise Solar Noon Set
Actual Time 7:42 AM CST 12:41 PM CST 5:40 PM CST
Civil Twilight 7:15 AM CST   6:07 PM CST
Nautical Twilight 6:43 AM CST   6:38 PM CST
Astronomical Twilight 6:13 AM CST   7:08 PM CST
Altitude -0.8° 33.3° -0.8°
Azimuth 117.5° 180.0° 242.5°
Hour Angle of the Sun 74.7° 74.7° -74.6°
Mean Anomaly of the Sun 338.21° 338.41° 338.62°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -100.10° -99.87° -99.64°
Sun Declination -23.11° -23.13° -23.14°
Moon 2:27 AM CST   2:34 PM CST
Length of Visible Light 10h 52m
Length of Day
9h 57m
Waning Crescent, 29% of the Moon is Illuminated
Dec 12
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter