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Astronomy

Jul. 21, 2017 Rise Solar Noon Set
Actual Time 6:34 AM CDT 1:34 PM CDT 8:33 PM CDT
Civil Twilight 6:07 AM CDT   9:01 PM CDT
Nautical Twilight 5:33 AM CDT   9:34 PM CDT
Astronomical Twilight 4:57 AM CDT   10:10 PM CDT
Altitude -0.8° 77.5° -0.8°
Azimuth 64.9° 180.0° 294.9°
Hour Angle of the Sun 104.9° 104.9° -104.8°
Mean Anomaly of the Sun 196.20° 196.48° 196.77°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 121.04° 121.33° 121.62°
Sun Declination 20.38° 20.32° 20.26°
Moon 4:43 AM CDT   7:01 PM CDT
Length of Visible Light 14h 54m
Length of Day
13h 59m
Waning Crescent, 5% of the Moon is Illuminated
Jul 21
Waning Crescent
Jul 23
New
Jul 30
First Quarter
Aug 7
Full
Aug 14
Last Quarter