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Astronomy
May. 21, 2013 Rise Solar Noon Set
Actual Time 6:00 AM CDT 1:09 PM CDT 8:19 PM CDT
Civil Twilight 5:30 AM CDT   8:49 PM CDT
Nautical Twilight 4:54 AM CDT   9:25 PM CDT
Astronomical Twilight 4:14 AM CDT   10:05 PM CDT
Altitude -0.8° 73.2° -0.8°
Azimuth 63.5° 180.0° 296.6°
Hour Angle of the Sun 107.4° 107.5° -107.5°
Mean Anomaly of the Sun 136.09° 136.38° 136.68°
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 4:38 PM CDT (5/21)   3:23 AM CDT (5/21)
Length Of Visible Light 15h 18m
Length of Day
14h 19m
Waxing Gibbous, 87% 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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