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Astronomy

Dec. 15, 2017 Rise Solar Noon Set
Actual Time 6:57 AM CST 11:58 AM CST 5:00 PM CST
Civil Twilight 6:30 AM CST   5:27 PM CST
Nautical Twilight 5:59 AM CST   5:57 PM CST
Astronomical Twilight 5:29 AM CST   6:27 PM CST
Altitude -0.8° 34.4° -0.8°
Azimuth 117.3° 180.0° 242.7°
Hour Angle of the Sun 75.3° 75.3° -75.3°
Mean Anomaly of the Sun 341.14° 341.34° 341.55°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -96.82° -96.59° -96.35°
Sun Declination -23.29° -23.30° -23.31°
Moon 4:28 AM CST (12/15)   3:34 PM CST (12/15)
Length of Visible Light 10h 56m
Length of Day
10h 02m
Waning Crescent, 4% of the Moon is Illuminated
Dec 15
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter