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Astronomy

Jul. 21, 2017 Rise Solar Noon Set
Actual Time 5:11 AM PDT 12:55 PM PDT 8:39 PM PDT
Civil Twilight 4:32 AM PDT   9:17 PM PDT
Nautical Twilight 3:41 AM PDT   10:08 PM PDT
Astronomical Twilight 2:32 AM PDT   11:16 PM PDT
Altitude -0.8° 62.0° -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 196.22° 196.54° 196.86°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 121.06° 121.38° 121.70°
Sun Declination 20.37° 20.31° 20.24°
Moon 3:26 AM PDT   7:08 PM PDT
Length of Visible Light 16h 45m
Length of Day
15h 28m
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