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Astronomy

Dec. 15, 2017 Rise Solar Noon Set
Actual Time 7:49 AM CST 12:11 PM CST 4:33 PM CST
Civil Twilight 7:15 AM CST   5:08 PM CST
Nautical Twilight 6:38 AM CST   5:45 PM CST
Astronomical Twilight 6:02 AM CST   6:21 PM CST
Altitude -0.8° 21.2° -0.8°
Azimuth 123.3° 180.0° 236.7°
Hour Angle of the Sun 65.5° 65.5° -65.5°
Mean Anomaly of the Sun 341.17° 341.35° 341.53°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -96.78° -96.57° -96.37°
Sun Declination -23.29° -23.30° -23.31°
Moon 5:04 AM CST   3:22 PM CST
Length of Visible Light 9h 52m
Length of Day
8h 44m
Waning Crescent, 5% of the Moon is Illuminated
Dec 15
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter