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Astronomy

Dec. 12, 2019 Rise Solar Noon Set
Actual Time 7:40 AM CST 11:55 AM CST 4:09 PM CST
Civil Twilight 7:04 AM CST   4:45 PM CST
Nautical Twilight 6:25 AM CST   5:24 PM CST
Astronomical Twilight 5:47 AM CST   6:02 PM CST
Altitude -0.8° 19.2° -0.8°
Azimuth 124.5° 180.0° 235.4°
Hour Angle of the Sun 63.5° 63.5° -63.5°
Mean Anomaly of the Sun 337.70° 337.87° 338.04°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -100.63° -100.44° -100.24°
Sun Declination -23.08° -23.09° -23.10°
Moon 4:45 PM CST   7:59 AM CST
Length of Visible Light 9h 40m
Length of Day
8h 28m
Full, 100% of the Moon is Illuminated
Dec 12
Full
Dec 18
Last Quarter
Dec 26
New
Jan 2
First Quarter
Jan 10
Full