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Astronomy

Dec. 15, 2017 Rise Solar Noon Set
Actual Time 6:51 AM CST 11:50 AM CST 4:48 PM CST
Civil Twilight 6:24 AM CST   5:15 PM CST
Nautical Twilight 5:53 AM CST   5:46 PM CST
Astronomical Twilight 5:22 AM CST   6:17 PM CST
Altitude -0.8° 33.1° -0.8°
Azimuth 117.7° 180.0° 242.3°
Hour Angle of the Sun 74.5° 74.5° -74.5°
Mean Anomaly of the Sun 341.13° 341.34° 341.54°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -96.82° -96.59° -96.36°
Sun Declination -23.29° -23.30° -23.31°
Moon 4:21 AM CST   3:23 PM CST
Length of Visible Light 10h 51m
Length of Day
9h 56m
Waning Crescent, 8% of the Moon is Illuminated
Dec 15
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter