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Astronomy

Dec. 15, 2017 Rise Solar Noon Set
Actual Time 7:42 AM CST 12:23 PM CST 5:04 PM CST
Civil Twilight 7:12 AM CST   5:34 PM CST
Nautical Twilight 6:38 AM CST   6:08 PM CST
Astronomical Twilight 6:05 AM CST   6:41 PM CST
Altitude -0.8° 26.9° -0.8°
Azimuth 120.2° 180.0° 239.8°
Hour Angle of the Sun 70.2° 70.2° -70.2°
Mean Anomaly of the Sun 341.17° 341.36° 341.55°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -96.78° -96.57° -96.35°
Sun Declination -23.29° -23.30° -23.31°
Moon 5:05 AM CST   3:46 PM CST
Length of Visible Light 10h 22m
Length of Day
9h 21m
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