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Astronomy

Jul. 21, 2017 Rise Solar Noon Set
Actual Time 5:20 AM PDT 1:04 PM PDT 8:48 PM PDT
Civil Twilight 4:41 AM PDT   9:27 PM PDT
Nautical Twilight 3:49 AM PDT   10:18 PM PDT
Astronomical Twilight 2:40 AM PDT   11:26 PM PDT
Altitude -0.8° 61.9° -0.8°
Azimuth 57.3° 180.0° 302.5°
Hour Angle of the Sun 116.2° 116.1° -116.0°
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 3:35 AM PDT   7:17 PM PDT
Length of Visible Light 16h 45m
Length of Day
15h 28m
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