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Astronomy

Jul. 21, 2017 Rise Solar Noon Set
Actual Time 5:39 AM PDT 12:46 PM PDT 7:54 PM PDT
Civil Twilight 5:10 AM PDT   8:23 PM PDT
Nautical Twilight 4:34 AM PDT   8:58 PM PDT
Astronomical Twilight 3:55 AM PDT   9:37 PM PDT
Altitude -0.8° 74.1° -0.8°
Azimuth 63.8° 180.0° 296.1°
Hour Angle of the Sun 106.9° 106.8° -106.8°
Mean Anomaly of the Sun 196.24° 196.53° 196.82°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 121.08° 121.38° 121.67°
Sun Declination 20.37° 20.31° 20.25°
Moon 3:51 AM PDT   6:24 PM PDT
Length of Visible Light 15h 12m
Length of Day
14h 14m
Waning Crescent, 4% of the Moon is Illuminated
Jul 21
Waning Crescent
Jul 23
New
Jul 30
First Quarter
Aug 7
Full
Aug 14
Last Quarter