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Astronomy

Dec. 15, 2019 Rise Solar Noon Set
Actual Time 7:57 AM CST 12:38 PM CST 5:19 PM CST
Civil Twilight 7:27 AM CST   5:50 PM CST
Nautical Twilight 6:53 AM CST   6:24 PM CST
Astronomical Twilight 6:20 AM CST   6:57 PM CST
Altitude -0.8° 26.9° -0.8°
Azimuth 120.2° 180.0° 239.8°
Hour Angle of the Sun 70.2° 70.2° -70.2°
Mean Anomaly of the Sun 340.66° 340.86° 341.05°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -97.31° -97.09° -96.88°
Sun Declination -23.27° -23.28° -23.29°
Moon 9:04 PM CST (12/15)   11:03 AM CST (12/15)
Length of Visible Light 10h 22m
Length of Day
9h 21m
Waning Gibbous, 82% of the Moon is Illuminated
Dec 16
Waning Gibbous
Dec 18
Last Quarter
Dec 26
New
Jan 2
First Quarter
Jan 10
Full