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Astronomy
May. 18, 2013 Rise Solar Noon Set
Actual Time 6:40 AM CDT 1:28 PM CDT 8:17 PM CDT
Civil Twilight 6:14 AM CDT   8:43 PM CDT
Nautical Twilight 5:43 AM CDT   9:14 PM CDT
Astronomical Twilight 5:11 AM CDT   9:47 PM CDT
Altitude -0.8° 81.3° -0.8°
Azimuth 67.1° 180.0° 293.1°
Hour Angle of the Sun 102.1° 102.2° -102.2°
Mean Anomaly of the Sun 133.16° 133.44° 133.72°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 55.43° 55.72° 56.00°
Sun Declination 19.64° 19.71° 19.77°
Moon 1:55 PM CDT (5/18)   1:58 AM CDT (5/18)
Length Of Visible Light 14h 29m
Length of Day
13h 37m
First Quarter, 58% 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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