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Astronomy

Aug. 20, 2017 Rise Solar Noon Set
Actual Time 6:20 AM PDT 1:00 PM PDT 7:39 PM PDT
Civil Twilight 5:53 AM PDT   8:06 PM PDT
Nautical Twilight 5:21 AM PDT   8:38 PM PDT
Astronomical Twilight 4:47 AM PDT   9:11 PM PDT
Altitude -0.8° 66.5° -0.8°
Azimuth 74.2° 180.0° 285.6°
Hour Angle of the Sun 100.0° 100.0° -99.9°
Mean Anomaly of the Sun 225.84° 226.11° 226.38°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 149.90° 150.16° 150.41°
Sun Declination 12.26° 12.17° 12.08°
Moon 5:04 AM PDT (8/20)   7:06 PM PDT (8/20)
Length of Visible Light 14h 13m
Length of Day
13h 19m
Waning Crescent, 0% of the Moon is Illuminated
Aug 21
Waning Crescent
Aug 21
New
Aug 29
First Quarter
Sep 6
Full
Sep 13
Last Quarter