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Astronomy

Jul. 21, 2017 Rise Solar Noon Set
Actual Time 5:15 AM PDT 12:52 PM PDT 8:29 PM PDT
Civil Twilight 4:38 AM PDT   9:05 PM PDT
Nautical Twilight 3:51 AM PDT   9:52 PM PDT
Astronomical Twilight 2:52 AM PDT   10:51 PM PDT
Altitude -0.8° 64.0° -0.8°
Azimuth 58.7° 180.0° 301.1°
Hour Angle of the Sun 114.3° 114.2° -114.1°
Mean Anomaly of the Sun 196.22° 196.54° 196.85°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 121.06° 121.38° 121.70°
Sun Declination 20.37° 20.31° 20.24°
Moon 3:29 AM PDT   6:58 PM PDT
Length of Visible Light 16h 26m
Length of Day
15h 13m
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