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Astronomy

Dec. 16, 2017 Rise Solar Noon Set
Actual Time 7:18 AM CST 11:58 AM CST 4:37 PM CST
Civil Twilight 6:47 AM CST   5:08 PM CST
Nautical Twilight 6:13 AM CST   5:42 PM CST
Astronomical Twilight 5:40 AM CST   6:15 PM CST
Altitude -0.8° 26.5° -0.8°
Azimuth 120.4° 180.0° 239.6°
Hour Angle of the Sun 70.0° 69.9° -69.9°
Mean Anomaly of the Sun 342.13° 342.33° 342.52°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -95.69° -95.48° -95.26°
Sun Declination -23.33° -23.34° -23.35°
Moon 5:36 AM CST   3:55 PM CST
Length of Visible Light 10h 21m
Length of Day
9h 19m
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