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Astronomy

Dec. 15, 2017 Rise Solar Noon Set
Actual Time 6:40 AM CST 11:46 AM CST 4:51 PM CST
Civil Twilight 6:14 AM CST   5:18 PM CST
Nautical Twilight 5:44 AM CST   5:48 PM CST
Astronomical Twilight 5:14 AM CST   6:17 PM CST
Altitude -0.8° 36.2° -0.8°
Azimuth 116.8° 180.0° 243.2°
Hour Angle of the Sun 76.4° 76.4° -76.4°
Mean Anomaly of the Sun 341.12° 341.33° 341.54°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -96.83° -96.59° -96.36°
Sun Declination -23.29° -23.30° -23.31°
Moon 4:12 AM CST   3:24 PM CST
Length of Visible Light 11h 04m
Length of Day
10h 11m
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