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Astronomy

Dec. 15, 2017 Rise Solar Noon Set
Actual Time 7:30 AM CST 11:57 AM CST 4:24 PM CST
Civil Twilight 6:57 AM CST   4:57 PM CST
Nautical Twilight 6:20 AM CST   5:34 PM CST
Astronomical Twilight 5:45 AM CST   6:09 PM CST
Altitude -0.8° 22.7° -0.8°
Azimuth 122.4° 180.0° 237.6°
Hour Angle of the Sun 66.8° 66.8° -66.8°
Mean Anomaly of the Sun 341.16° 341.34° 341.52°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -96.79° -96.59° -96.38°
Sun Declination -23.29° -23.30° -23.31°
Moon 4:46 AM CST   3:11 PM CST
Length of Visible Light 10h 00m
Length of Day
8h 54m
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