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Astronomy

Aug. 17, 2017 Rise Solar Noon Set
Actual Time 6:11 AM PDT 1:19 PM PDT 8:27 PM PDT
Civil Twilight 5:36 AM PDT   9:02 PM PDT
Nautical Twilight 4:52 AM PDT   9:45 PM PDT
Astronomical Twilight 4:02 AM PDT   10:35 PM PDT
Altitude -0.8° 54.0° -0.8°
Azimuth 68.4° 180.0° 291.3°
Hour Angle of the Sun 107.2° 107.1° -106.9°
Mean Anomaly of the Sun 222.87° 223.17° 223.46°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 147.11° 147.39° 147.66°
Sun Declination 13.25° 13.15° 13.05°
Moon 1:41 AM PDT   5:25 PM PDT
Length of Visible Light 15h 26m
Length of Day
14h 16m
Waning Crescent, 21% of the Moon is Illuminated
Aug 17
Waning Crescent
Aug 21
New
Aug 29
First Quarter
Sep 6
Full
Sep 13
Last Quarter