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Astronomy

Dec. 11, 2017 Rise Solar Noon Set
Actual Time 6:45 AM CST 11:42 AM CST 4:39 PM CST
Civil Twilight 6:17 AM CST   5:07 PM CST
Nautical Twilight 5:46 AM CST   5:38 PM CST
Astronomical Twilight 5:15 AM CST   6:09 PM CST
Altitude -0.8° 32.7° -0.8°
Azimuth 117.6° 180.0° 242.4°
Hour Angle of the Sun 74.3° 74.3° -74.3°
Mean Anomaly of the Sun 337.18° 337.39° 337.59°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -101.24° -101.01° -100.79°
Sun Declination -23.03° -23.05° -23.06°
Moon 12:28 AM CST   1:01 PM CST
Length of Visible Light 10h 50m
Length of Day
9h 54m
Last Quarter, 38% of the Moon is Illuminated
Dec 11
Last Quarter
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter