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Astronomy

Dec. 15, 2017 Rise Solar Noon Set
Actual Time 6:59 AM CST 11:54 AM CST 4:48 PM CST
Civil Twilight 6:31 AM CST   5:16 PM CST
Nautical Twilight 5:59 AM CST   5:48 PM CST
Astronomical Twilight 5:29 AM CST   6:19 PM CST
Altitude -0.8° 31.5° -0.8°
Azimuth 118.3° 180.0° 241.7°
Hour Angle of the Sun 73.5° 73.5° -73.5°
Mean Anomaly of the Sun 341.14° 341.34° 341.54°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -96.81° -96.59° -96.36°
Sun Declination -23.29° -23.30° -23.31°
Moon 4:27 AM CST   3:24 PM CST
Length of Visible Light 10h 44m
Length of Day
9h 48m
Waning Crescent, 7% of the Moon is Illuminated
Dec 15
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter