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Astronomy

Dec. 15, 2017 Rise Solar Noon Set
Actual Time 7:11 AM CST 12:07 PM CST 5:03 PM CST
Civil Twilight 6:43 AM CST   5:31 PM CST
Nautical Twilight 6:12 AM CST   6:02 PM CST
Astronomical Twilight 5:41 AM CST   6:33 PM CST
Altitude -0.8° 32.2° -0.8°
Azimuth 118.0° 180.0° 242.0°
Hour Angle of the Sun 73.9° 73.9° -73.9°
Mean Anomaly of the Sun 341.14° 341.35° 341.55°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -96.81° -96.58° -96.35°
Sun Declination -23.29° -23.30° -23.31°
Moon 4:40 AM CST   3:39 PM CST
Length of Visible Light 10h 47m
Length of Day
9h 51m
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