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Astronomy

Dec. 15, 2017 Rise Solar Noon Set
Actual Time 7:35 AM CST 12:07 PM CST 4:39 PM CST
Civil Twilight 7:03 AM CST   5:11 PM CST
Nautical Twilight 6:27 AM CST   5:47 PM CST
Astronomical Twilight 5:53 AM CST   6:21 PM CST
Altitude -0.8° 24.2° -0.8°
Azimuth 121.6° 180.0° 238.4°
Hour Angle of the Sun 68.1° 68.0° -68.0°
Mean Anomaly of the Sun 341.16° 341.35° 341.53°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -96.79° -96.58° -96.37°
Sun Declination -23.29° -23.30° -23.31°
Moon 4:54 AM CST (12/15)   3:24 PM CST (12/15)
Length of Visible Light 10h 08m
Length of Day
9h 04m
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