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Astronomy

Aug. 17, 2017 Rise Solar Noon Set
Actual Time 6:16 AM PDT 1:00 PM PDT 7:43 PM PDT
Civil Twilight 5:49 AM PDT   8:10 PM PDT
Nautical Twilight 5:17 AM PDT   8:42 PM PDT
Astronomical Twilight 4:42 AM PDT   9:16 PM PDT
Altitude -0.8° 67.1° -0.8°
Azimuth 72.9° 180.0° 286.9°
Hour Angle of the Sun 100.9° 100.9° -100.8°
Mean Anomaly of the Sun 222.88° 223.15° 223.43°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 147.11° 147.37° 147.63°
Sun Declination 13.24° 13.15° 13.06°
Moon 1:57 AM PDT   4:26 PM PDT
Length of Visible Light 14h 20m
Length of Day
13h 26m
Waning Crescent, 25% of the Moon is Illuminated
Aug 17
Waning Crescent
Aug 21
New
Aug 29
First Quarter
Sep 6
Full
Sep 13
Last Quarter