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Astronomy
May. 21, 2013 Rise Solar Noon Set
Actual Time 5:30 AM CDT 12:39 PM CDT 7:48 PM CDT
Civil Twilight 5:01 AM CDT   8:17 PM CDT
Nautical Twilight 4:25 AM CDT   8:53 PM CDT
Astronomical Twilight 3:46 AM CDT   9:33 PM CDT
Altitude -0.8° 73.6° -0.8°
Azimuth 63.7° 180.0° 296.4°
Hour Angle of the Sun 107.1° 107.2° -107.2°
Mean Anomaly of the Sun 136.07° 136.36° 136.65°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 58.38° 58.68° 58.98°
Sun Declination 20.26° 20.32° 20.38°
Moon 4:06 PM CDT   2:52 AM CDT
Length Of Visible Light 15h 16m
Length of Day
14h 17m
Waxing Gibbous, 82% 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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