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Astronomy

Dec. 15, 2017 Rise Solar Noon Set
Actual Time 6:57 AM CST 11:48 AM CST 4:39 PM CST
Civil Twilight 6:28 AM CST   5:08 PM CST
Nautical Twilight 5:56 AM CST   5:40 PM CST
Astronomical Twilight 5:25 AM CST   6:11 PM CST
Altitude -0.8° 30.4° -0.8°
Azimuth 118.7° 180.0° 241.3°
Hour Angle of the Sun 72.8° 72.7° -72.7°
Mean Anomaly of the Sun 341.14° 341.33° 341.53°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -96.82° -96.59° -96.37°
Sun Declination -23.29° -23.30° -23.31°
Moon 4:23 AM CST (12/15)   3:17 PM CST (12/15)
Length of Visible Light 10h 39m
Length of Day
9h 42m
Waning Crescent, 4% of the Moon is Illuminated
Dec 16
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter