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Astronomy

Jul. 21, 2017 Rise Solar Noon Set
Actual Time 5:19 AM PDT 1:03 PM PDT 8:46 PM PDT
Civil Twilight 4:40 AM PDT   9:25 PM PDT
Nautical Twilight 3:49 AM PDT   10:16 PM PDT
Astronomical Twilight 2:40 AM PDT   11:23 PM PDT
Altitude -0.8° 62.1° -0.8°
Azimuth 57.4° 180.0° 302.4°
Hour Angle of the Sun 116.1° 116.0° -115.9°
Mean Anomaly of the Sun 196.23° 196.54° 196.86°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 121.07° 121.39° 121.71°
Sun Declination 20.37° 20.31° 20.24°
Moon 3:34 AM PDT   7:16 PM PDT
Length of Visible Light 16h 44m
Length of Day
15h 27m
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