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Astronomy

Jul. 21, 2017 Rise Solar Noon Set
Actual Time 5:51 AM CDT 12:59 PM CDT 8:08 PM CDT
Civil Twilight 5:21 AM CDT   8:37 PM CDT
Nautical Twilight 4:45 AM CDT   9:13 PM CDT
Astronomical Twilight 4:06 AM CDT   9:52 PM CDT
Altitude -0.8° 73.7° -0.8°
Azimuth 63.6° 180.0° 296.3°
Hour Angle of the Sun 107.2° 107.2° -107.1°
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 3:58 AM CDT   6:34 PM CDT
Length of Visible Light 15h 16m
Length of Day
14h 17m
Waning Crescent, 6% of the Moon is Illuminated
Jul 21
Waning Crescent
Jul 23
New
Jul 30
First Quarter
Aug 7
Full
Aug 14
Last Quarter