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Astronomy

Dec. 17, 2017 Rise Solar Noon Set
Actual Time 6:49 AM CST 11:45 AM CST 4:41 PM CST
Civil Twilight 6:21 AM CST   5:09 PM CST
Nautical Twilight 5:49 AM CST   5:41 PM CST
Astronomical Twilight 5:19 AM CST   6:11 PM CST
Altitude -0.8° 32.4° -0.8°
Azimuth 118.0° 180.0° 242.0°
Hour Angle of the Sun 74.1° 74.1° -74.0°
Mean Anomaly of the Sun 343.10° 343.30° 343.51°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -94.61° -94.38° -94.15°
Sun Declination -23.37° -23.37° -23.38°
Moon 6:04 AM CST   4:36 PM CST
Length of Visible Light 10h 48m
Length of Day
9h 52m
Waning Crescent, 1% of the Moon is Illuminated
Dec 17
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter