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Astronomy

Dec. 12, 2017 Rise Solar Noon Set
Actual Time 7:46 AM CST 12:34 PM CST 5:21 PM CST
Civil Twilight 7:17 AM CST   5:50 PM CST
Nautical Twilight 6:44 AM CST   6:23 PM CST
Astronomical Twilight 6:12 AM CST   6:55 PM CST
Altitude -0.8° 29.1° -0.8°
Azimuth 119.0° 180.0° 240.9°
Hour Angle of the Sun 71.9° 71.9° -71.9°
Mean Anomaly of the Sun 338.21° 338.41° 338.61°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -100.09° -99.87° -99.65°
Sun Declination -23.11° -23.12° -23.14°
Moon 2:21 AM CST   2:24 PM CST
Length of Visible Light 10h 33m
Length of Day
9h 35m
Waning Crescent, 25% of the Moon is Illuminated
Dec 12
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter