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Astronomy
May. 21, 2013 Rise Solar Noon Set
Actual Time 6:00 AM CDT 1:05 PM CDT 8:09 PM CDT
Civil Twilight 5:32 AM CDT   8:38 PM CDT
Nautical Twilight 4:57 AM CDT   9:13 PM CDT
Astronomical Twilight 4:20 AM CDT   9:50 PM CDT
Altitude -0.8° 75.5° -0.8°
Azimuth 64.4° 180.0° 295.8°
Hour Angle of the Sun 106.0° 106.1° -106.1°
Mean Anomaly of the Sun 136.09° 136.38° 136.67°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 58.40° 58.70° 59.00°
Sun Declination 20.27° 20.32° 20.38°
Moon 4:31 PM CDT   3:19 AM CDT
Length Of Visible Light 15h 05m
Length of Day
14h 08m
Waxing Gibbous, 85% 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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