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Astronomy

Aug. 20, 2017 Rise Solar Noon Set
Actual Time 6:30 AM PDT 1:20 PM PDT 8:10 PM PDT
Civil Twilight 6:00 AM PDT   8:40 PM PDT
Nautical Twilight 5:24 AM PDT   9:16 PM PDT
Astronomical Twilight 4:45 AM PDT   9:54 PM PDT
Altitude -0.8° 59.7° -0.8°
Azimuth 72.5° 180.0° 287.3°
Hour Angle of the Sun 102.6° 102.5° -102.5°
Mean Anomaly of the Sun 225.84° 226.12° 226.40°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 149.91° 150.17° 150.43°
Sun Declination 12.26° 12.17° 12.07°
Moon 5:11 AM PDT   7:40 PM PDT
Length of Visible Light 14h 39m
Length of Day
13h 40m
Waning Crescent, 1% of the Moon is Illuminated
Aug 20
Waning Crescent
Aug 21
New
Aug 29
First Quarter
Sep 6
Full
Sep 13
Last Quarter