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Astronomy

Dec. 15, 2017 Rise Solar Noon Set
Actual Time 7:28 AM CST 12:09 PM CST 4:50 PM CST
Civil Twilight 6:58 AM CST   5:21 PM CST
Nautical Twilight 6:24 AM CST   5:55 PM CST
Astronomical Twilight 5:51 AM CST   6:27 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 341.16° 341.35° 341.54°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -96.79° -96.58° -96.36°
Sun Declination -23.29° -23.30° -23.31°
Moon 4:51 AM CST   3:32 PM CST
Length of Visible Light 10h 22m
Length of Day
9h 21m
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