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Astronomy

Jul. 21, 2017 Rise Solar Noon Set
Actual Time 5:55 AM PDT 1:23 PM PDT 8:50 PM PDT
Civil Twilight 5:21 AM PDT   9:24 PM PDT
Nautical Twilight 4:37 AM PDT   10:07 PM PDT
Astronomical Twilight 3:47 AM PDT   10:57 PM PDT
Altitude -0.8° 66.7° -0.8°
Azimuth 60.4° 180.0° 299.4°
Hour Angle of the Sun 112.0° 111.9° -111.9°
Mean Anomaly of the Sun 196.25° 196.56° 196.86°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 121.09° 121.40° 121.71°
Sun Declination 20.36° 20.30° 20.24°
Moon 4:09 AM PDT (7/21)   7:21 PM PDT (7/21)
Length of Visible Light 16h 03m
Length of Day
14h 55m
Waning Crescent, 3% of the Moon is Illuminated
Jul 21
Waning Crescent
Jul 23
New
Jul 30
First Quarter
Aug 7
Full
Aug 14
Last Quarter