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Astronomy

Jul. 21, 2017 Rise Solar Noon Set
Actual Time 6:37 AM CDT 1:31 PM CDT 8:24 PM CDT
Civil Twilight 6:11 AM CDT   8:51 PM CDT
Nautical Twilight 5:39 AM CDT   9:23 PM CDT
Astronomical Twilight 5:05 AM CDT   9:57 PM CDT
Altitude -0.8° 80.3° -0.8°
Azimuth 65.8° 180.0° 294.1°
Hour Angle of the Sun 103.4° 103.4° -103.4°
Mean Anomaly of the Sun 196.20° 196.48° 196.76°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 121.04° 121.32° 121.61°
Sun Declination 20.37° 20.32° 20.26°
Moon 4:46 AM CDT   6:52 PM CDT
Length of Visible Light 14h 40m
Length of Day
13h 47m
Waning Crescent, 4% of the Moon is Illuminated
Jul 21
Waning Crescent
Jul 23
New
Jul 30
First Quarter
Aug 7
Full
Aug 14
Last Quarter