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Astronomy

Jul. 21, 2017 Rise Solar Noon Set
Actual Time 6:06 AM CDT 1:40 PM CDT 9:14 PM CDT
Civil Twilight 5:30 AM CDT   9:49 PM CDT
Nautical Twilight 4:44 AM CDT   10:35 PM CDT
Astronomical Twilight 3:48 AM CDT   11:30 PM CDT
Altitude -0.8° 64.9° -0.8°
Azimuth 59.2° 180.0° 300.6°
Hour Angle of the Sun 113.6° 113.5° -113.4°
Mean Anomaly of the Sun 196.18° 196.49° 196.80°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 121.02° 121.33° 121.64°
Sun Declination 20.38° 20.32° 20.25°
Moon 4:17 AM CDT   7:40 PM CDT
Length of Visible Light 16h 18m
Length of Day
15h 07m
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