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Astronomy

Jul. 21, 2017 Rise Solar Noon Set
Actual Time 5:50 AM CDT 1:01 PM CDT 8:13 PM CDT
Civil Twilight 5:20 AM CDT   8:42 PM CDT
Nautical Twilight 4:43 AM CDT   9:19 PM CDT
Astronomical Twilight 4:02 AM CDT   10:00 PM CDT
Altitude -0.8° 72.6° -0.8°
Azimuth 63.2° 180.0° 296.7°
Hour Angle of the Sun 107.9° 107.8° -107.8°
Mean Anomaly of the Sun 196.16° 196.46° 196.76°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 121.01° 121.30° 121.60°
Sun Declination 20.38° 20.32° 20.26°
Moon 3:58 AM CDT   6:38 PM CDT
Length of Visible Light 15h 22m
Length of Day
14h 22m
Waning Crescent, 3% of the Moon is Illuminated
Jul 21
Waning Crescent
Jul 23
New
Jul 30
First Quarter
Aug 7
Full
Aug 14
Last Quarter