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Astronomy

Jul. 21, 2017 Rise Solar Noon Set
Actual Time 5:51 AM CDT 1:01 PM CDT 8:10 PM CDT
Civil Twilight 5:21 AM CDT   8:40 PM CDT
Nautical Twilight 4:45 AM CDT   9:16 PM CDT
Astronomical Twilight 4:05 AM CDT   9:56 PM CDT
Altitude -0.8° 73.3° -0.8°
Azimuth 63.4° 180.0° 296.4°
Hour Angle of the Sun 107.4° 107.4° -107.3°
Mean Anomaly of the Sun 196.17° 196.46° 196.75°
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 3:59 AM CDT (7/21)   6:36 PM CDT (7/21)
Length of Visible Light 15h 18m
Length of Day
14h 19m
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