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Astronomy

Dec. 15, 2017 Rise Solar Noon Set
Actual Time 7:13 AM CST 12:28 PM CST 5:44 PM CST
Civil Twilight 6:48 AM CST   6:09 PM CST
Nautical Twilight 6:19 AM CST   6:38 PM CST
Astronomical Twilight 5:51 AM CST   7:06 PM CST
Altitude -0.8° 40.5° -0.8°
Azimuth 115.7° 180.0° 244.3°
Hour Angle of the Sun 78.8° 78.8° -78.8°
Mean Anomaly of the Sun 341.15° 341.36° 341.58°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -96.80° -96.56° -96.32°
Sun Declination -23.29° -23.30° -23.31°
Moon 4:51 AM CST   4:13 PM CST
Length of Visible Light 11h 21m
Length of Day
10h 30m
Waning Crescent, 7% of the Moon is Illuminated
Dec 15
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter