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Astronomy

Dec. 16, 2017 Rise Solar Noon Set
Actual Time 7:47 AM CST 12:11 PM CST 4:35 PM CST
Civil Twilight 7:13 AM CST   5:09 PM CST
Nautical Twilight 6:36 AM CST   5:46 PM CST
Astronomical Twilight 6:00 AM CST   6:21 PM CST
Altitude -0.8° 21.8° -0.8°
Azimuth 123.0° 180.0° 237.0°
Hour Angle of the Sun 66.0° 66.0° -65.9°
Mean Anomaly of the Sun 342.15° 342.34° 342.52°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -95.67° -95.47° -95.27°
Sun Declination -23.33° -23.34° -23.35°
Moon 6:01 AM CST   3:57 PM CST
Length of Visible Light 9h 55m
Length of Day
8h 47m
Waning Crescent, 3% of the Moon is Illuminated
Dec 16
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter