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Astronomy

Jul. 21, 2017 Rise Solar Noon Set
Actual Time 4:24 AM WEST 1:33 PM WEST 10:40 PM WEST
Civil Twilight 2:53 AM WEST   12:08 AM WEST
Nautical Twilight Sun does not set   Sun does not set
Astronomical Twilight Sun does not set   Sun does not set
Altitude -0.8° 48.4° -0.8°
Azimuth 39.5° 180.0° 320.0°
Hour Angle of the Sun 137.2° 137.0° -136.8°
Mean Anomaly of the Sun 195.86° 196.24° 196.61°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 120.70° 121.08° 121.46°
Sun Declination 20.44° 20.37° 20.29°
Moon 2:35 AM WEST   8:42 PM WEST
Length of Visible Light 21h 14m
Length of Day
18h 15m
Waning Crescent, 4% of the Moon is Illuminated
Jul 21
Waning Crescent
Jul 23
New
Jul 30
First Quarter
Aug 7
Full
Aug 14
Last Quarter