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Astronomy
May. 21, 2013 Rise Solar Noon Set
Actual Time 6:38 AM CDT 1:29 PM CDT 8:19 PM CDT
Civil Twilight 6:12 AM CDT   8:45 PM CDT
Nautical Twilight 5:41 AM CDT   9:16 PM CDT
Astronomical Twilight 5:08 AM CDT   9:49 PM CDT
Altitude -0.8° 81.9° -0.8°
Azimuth 66.3° 180.0° 293.8°
Hour Angle of the Sun 102.6° 102.6° -102.6°
Mean Anomaly of the Sun 136.11° 136.40° 136.68°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 58.43° 58.72° 59.00°
Sun Declination 20.27° 20.33° 20.38°
Moon 4:50 PM CDT (5/21)   3:48 AM CDT (5/21)
Length Of Visible Light 14h 32m
Length of Day
13h 40m
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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