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Astronomy
May. 21, 2013 Rise Solar Noon Set
Actual Time 5:38 AM CDT 12:54 PM CDT 8:10 PM CDT
Civil Twilight 5:07 AM CDT   8:41 PM CDT
Nautical Twilight 4:29 AM CDT   9:20 PM CDT
Astronomical Twilight 3:46 AM CDT   10:03 PM CDT
Altitude -0.8° 70.8° -0.8°
Azimuth 62.6° 180.0° 297.6°
Hour Angle of the Sun 108.9° 109.0° -109.0°
Mean Anomaly of the Sun 136.07° 136.37° 136.67°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 58.39° 58.69° 59.00°
Sun Declination 20.26° 20.32° 20.38°
Moon 4:25 PM CDT   3:05 AM CDT
Length Of Visible Light 15h 33m
Length of Day
14h 31m
Waxing Gibbous, 81% 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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