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Astronomy

Jul. 21, 2017 Rise Solar Noon Set
Actual Time 6:13 AM CDT 1:19 PM CDT 8:24 PM CDT
Civil Twilight 5:44 AM CDT   8:52 PM CDT
Nautical Twilight 5:09 AM CDT   9:27 PM CDT
Astronomical Twilight 4:31 AM CDT   10:05 PM CDT
Altitude -0.8° 75.0° -0.8°
Azimuth 64.1° 180.0° 295.8°
Hour Angle of the Sun 106.4° 106.3° -106.3°
Mean Anomaly of the Sun 196.18° 196.47° 196.76°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 121.02° 121.32° 121.61°
Sun Declination 20.38° 20.32° 20.26°
Moon 4:21 AM CDT   6:50 PM CDT
Length of Visible Light 15h 07m
Length of Day
14h 10m
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