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Astronomy
May. 21, 2013 Rise Solar Noon Set
Actual Time 5:30 AM CDT 12:55 PM CDT 8:20 PM CDT
Civil Twilight 4:57 AM CDT   8:53 PM CDT
Nautical Twilight 4:15 AM CDT   9:35 PM CDT
Astronomical Twilight 3:27 AM CDT   10:23 PM CDT
Altitude -0.8° 67.7° -0.8°
Azimuth 61.1° 180.0° 299.1°
Hour Angle of the Sun 111.1° 111.2° -111.3°
Mean Anomaly of the Sun 136.07° 136.37° 136.68°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 58.38° 58.69° 59.00°
Sun Declination 20.26° 20.32° 20.38°
Moon 4:29 PM CDT   3:03 AM CDT
Length Of Visible Light 15h 55m
Length of Day
14h 49m
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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