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Astronomy

Jul. 21, 2017 Rise Solar Noon Set
Actual Time 6:05 AM PDT 1:19 PM PDT 8:32 PM PDT
Civil Twilight 5:35 AM PDT   9:02 PM PDT
Nautical Twilight 4:57 AM PDT   9:39 PM PDT
Astronomical Twilight 4:15 AM PDT   10:21 PM PDT
Altitude -0.8° 71.8° -0.8°
Azimuth 62.9° 180.0° 297.0°
Hour Angle of the Sun 108.4° 108.3° -108.2°
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 4:19 AM PDT   7:03 PM PDT
Length of Visible Light 15h 27m
Length of Day
14h 26m
Waning Crescent, 6% of the Moon is Illuminated
Jul 21
Waning Crescent
Jul 23
New
Jul 30
First Quarter
Aug 7
Full
Aug 14
Last Quarter