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Astronomy

Dec. 15, 2017 Rise Solar Noon Set
Actual Time 7:21 AM CST 12:12 PM CST 5:03 PM CST
Civil Twilight 6:52 AM CST   5:32 PM CST
Nautical Twilight 6:20 AM CST   6:04 PM CST
Astronomical Twilight 5:49 AM CST   6:35 PM CST
Altitude -0.8° 30.4° -0.8°
Azimuth 118.7° 180.0° 241.3°
Hour Angle of the Sun 72.8° 72.8° -72.7°
Mean Anomaly of the Sun 341.15° 341.35° 341.55°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -96.80° -96.57° -96.35°
Sun Declination -23.29° -23.30° -23.31°
Moon 4:48 AM CST   3:41 PM CST
Length of Visible Light 10h 39m
Length of Day
9h 42m
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