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Astronomy

Aug. 20, 2017 Rise Solar Noon Set
Actual Time 6:02 AM PDT 1:03 PM PDT 8:03 PM PDT
Civil Twilight 5:29 AM PDT   8:36 PM PDT
Nautical Twilight 4:48 AM PDT   9:17 PM PDT
Astronomical Twilight 4:02 AM PDT   10:02 PM PDT
Altitude -0.8° 54.4° -0.8°
Azimuth 70.6° 180.0° 289.1°
Hour Angle of the Sun 105.2° 105.1° -104.9°
Mean Anomaly of the Sun 225.82° 226.11° 226.40°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 149.89° 150.16° 150.43°
Sun Declination 12.27° 12.17° 12.08°
Moon 4:39 AM PDT (8/20)   7:34 PM PDT (8/20)
Length of Visible Light 15h 06m
Length of Day
14h 00m
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