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Astronomy

Dec. 17, 2017 Rise Solar Noon Set
Actual Time 7:34 AM CST 12:09 PM CST 4:44 PM CST
Civil Twilight 7:03 AM CST   5:16 PM CST
Nautical Twilight 6:28 AM CST   5:51 PM CST
Astronomical Twilight 5:54 AM CST   6:25 PM CST
Altitude -0.8° 25.0° -0.8°
Azimuth 121.2° 180.0° 238.8°
Hour Angle of the Sun 68.7° 68.7° -68.7°
Mean Anomaly of the Sun 343.13° 343.32° 343.51°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -94.57° -94.36° -94.15°
Sun Declination -23.37° -23.37° -23.38°
Moon 6:46 AM CST (12/17)   4:43 PM CST (12/17)
Length of Visible Light 10h 12m
Length of Day
9h 09m
Waning Crescent, 0% of the Moon is Illuminated
Dec 17
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter