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Astronomy

Jul. 21, 2017 Rise Solar Noon Set
Actual Time 6:06 AM PDT 1:18 PM PDT 8:30 PM PDT
Civil Twilight 5:36 AM PDT   9:00 PM PDT
Nautical Twilight 4:59 AM PDT   9:37 PM PDT
Astronomical Twilight 4:18 AM PDT   10:18 PM PDT
Altitude -0.8° 72.3° -0.8°
Azimuth 63.1° 180.0° 296.8°
Hour Angle of the Sun 108.0° 108.0° -107.9°
Mean Anomaly of the Sun 196.26° 196.55° 196.85°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 121.10° 121.40° 121.70°
Sun Declination 20.36° 20.30° 20.24°
Moon 4:20 AM PDT (7/21)   7:01 PM PDT (7/21)
Length of Visible Light 15h 23m
Length of Day
14h 23m
Waning Crescent, 2% of the Moon is Illuminated
Jul 22
Waning Crescent
Jul 23
New
Jul 30
First Quarter
Aug 7
Full
Aug 14
Last Quarter