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Astronomy

Dec. 15, 2017 Rise Solar Noon Set
Actual Time 7:18 AM CST 12:13 PM CST 5:09 PM CST
Civil Twilight 6:50 AM CST   5:37 PM CST
Nautical Twilight 6:18 AM CST   6:09 PM CST
Astronomical Twilight 5:47 AM CST   6:39 PM CST
Altitude -0.8° 32.2° -0.8°
Azimuth 118.0° 180.0° 242.0°
Hour Angle of the Sun 74.0° 74.0° -73.9°
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° -96.57° -96.35°
Sun Declination -23.29° -23.30° -23.31°
Moon 4:47 AM CST   3:46 PM CST
Length of Visible Light 10h 47m
Length of Day
9h 51m
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