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Astronomy

Dec. 15, 2017 Rise Solar Noon Set
Actual Time 7:06 AM CST 11:47 AM CST 4:27 PM CST
Civil Twilight 6:35 AM CST   4:58 PM CST
Nautical Twilight 6:01 AM CST   5:32 PM CST
Astronomical Twilight 5:28 AM CST   6:05 PM CST
Altitude -0.8° 26.8° -0.8°
Azimuth 120.2° 180.0° 239.8°
Hour Angle of the Sun 70.2° 70.2° -70.1°
Mean Anomaly of the Sun 341.14° 341.33° 341.53°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -96.81° -96.59° -96.38°
Sun Declination -23.29° -23.30° -23.31°
Moon 4:28 AM CST   3:09 PM CST
Length of Visible Light 10h 22m
Length of Day
9h 21m
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