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Astronomy

Jul. 21, 2017 Rise Solar Noon Set
Actual Time 6:43 AM CDT 1:37 PM CDT 8:31 PM CDT
Civil Twilight 6:16 AM CDT   8:58 PM CDT
Nautical Twilight 5:44 AM CDT   9:30 PM CDT
Astronomical Twilight 5:10 AM CDT   10:04 PM CDT
Altitude -0.8° 80.0° -0.8°
Azimuth 65.7° 180.0° 294.2°
Hour Angle of the Sun 103.6° 103.6° -103.5°
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 20.37° 20.32° 20.26°
Moon 4:51 AM CDT   6:59 PM CDT
Length of Visible Light 14h 41m
Length of Day
13h 48m
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