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Astronomy

Dec. 16, 2017 Rise Solar Noon Set
Actual Time 7:29 AM CST 11:55 AM CST 4:20 PM CST
Civil Twilight 6:55 AM CST   4:54 PM CST
Nautical Twilight 6:19 AM CST   5:31 PM CST
Astronomical Twilight 5:43 AM CST   6:06 PM CST
Altitude -0.8° 22.3° -0.8°
Azimuth 122.7° 180.0° 237.3°
Hour Angle of the Sun 66.4° 66.4° -66.4°
Mean Anomaly of the Sun 342.14° 342.32° 342.51°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -95.69° -95.48° -95.28°
Sun Declination -23.33° -23.34° -23.35°
Moon 5:43 AM CST   3:42 PM CST
Length of Visible Light 9h 58m
Length of Day
8h 51m
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