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Astronomy
May. 18, 2013 Rise Solar Noon Set
Actual Time 5:39 AM CDT 12:46 PM CDT 7:54 PM CDT
Civil Twilight 5:10 AM CDT   8:24 PM CDT
Nautical Twilight 4:34 AM CDT   9:00 PM CDT
Astronomical Twilight 3:54 AM CDT   9:39 PM CDT
Altitude -0.8° 72.5° -0.8°
Azimuth 64.4° 180.0° 295.8°
Hour Angle of the Sun 106.8° 106.9° -107.0°
Mean Anomaly of the Sun 133.12° 133.41° 133.70°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 55.39° 55.69° 55.98°
Sun Declination 19.64° 19.70° 19.76°
Moon 1:06 PM CDT   1:21 AM CDT
Length Of Visible Light 15h 14m
Length of Day
14h 15m
First Quarter, 55% of the Moon is Illuminated
May 18
First Quarter
May 25
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter
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