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Astronomy

Dec. 15, 2017 Rise Solar Noon Set
Actual Time 7:22 AM CST 12:10 PM CST 4:57 PM CST
Civil Twilight 6:53 AM CST   5:27 PM CST
Nautical Twilight 6:20 AM CST   5:59 PM CST
Astronomical Twilight 5:48 AM CST   6:31 PM CST
Altitude -0.8° 29.2° -0.8°
Azimuth 119.2° 180.0° 240.8°
Hour Angle of the Sun 71.9° 71.9° -71.9°
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° -96.58° -96.36°
Sun Declination -23.29° -23.30° -23.31°
Moon 4:48 AM CST   3:37 PM CST
Length of Visible Light 10h 33m
Length of Day
9h 35m
Waning Crescent, 6% of the Moon is Illuminated
Dec 15
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter