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Astronomy

Dec. 15, 2017 Rise Solar Noon Set
Actual Time 7:19 AM CST 11:48 AM CST 4:17 PM CST
Civil Twilight 6:46 AM CST   4:49 PM CST
Nautical Twilight 6:10 AM CST   5:26 PM CST
Astronomical Twilight 5:35 AM CST   6:01 PM CST
Altitude -0.8° 23.1° -0.8°
Azimuth 122.2° 180.0° 237.8°
Hour Angle of the Sun 67.2° 67.2° -67.1°
Mean Anomaly of the Sun 341.15° 341.33° 341.52°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -96.80° -96.59° -96.39°
Sun Declination -23.29° -23.30° -23.31°
Moon 4:36 AM CST   3:03 PM CST
Length of Visible Light 10h 02m
Length of Day
8h 57m
Waning Crescent, 5% of the Moon is Illuminated
Dec 15
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter