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Astronomy
May. 21, 2013 Rise Solar Noon Set
Actual Time 6:40 AM CDT 1:26 PM CDT 8:12 PM CDT
Civil Twilight 6:15 AM CDT   8:37 PM CDT
Nautical Twilight 5:45 AM CDT   9:07 PM CDT
Astronomical Twilight 5:14 AM CDT   9:39 PM CDT
Altitude -0.8° 84.4° -0.8°
Azimuth 66.9° 180.0° 293.2°
Hour Angle of the Sun 101.4° 101.4° -101.4°
Mean Anomaly of the Sun 136.12° 136.39° 136.67°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 58.43° 58.71° 59.00°
Sun Declination 20.27° 20.33° 20.38°
Moon 4:45 PM CDT   3:47 AM CDT
Length Of Visible Light 14h 21m
Length of Day
13h 31m
Waxing Gibbous, 80% of the Moon is Illuminated
May 21
Waxing Gibbous
May 25
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter
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