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Astronomy

May. 23, 2017 Rise Solar Noon Set
Actual Time 5:19 AM PDT 12:51 PM PDT 8:24 PM PDT
Civil Twilight 4:44 AM PDT   8:59 PM PDT
Nautical Twilight 3:59 AM PDT   9:44 PM PDT
Astronomical Twilight 3:06 AM PDT   10:38 PM PDT
Altitude -0.8° 66.3° -0.8°
Azimuth 59.4° 180.0° 300.8°
Hour Angle of the Sun 113.1° 113.2° -113.2°
Mean Anomaly of the Sun 138.08° 138.38° 138.69°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 60.50° 60.81° 61.13°
Sun Declination 20.67° 20.73° 20.79°
Moon 4:17 AM PDT   5:52 PM PDT
Length of Visible Light 16h 15m
Length of Day
15h 05m
Waning Crescent, 6% of the Moon is Illuminated
May 23
Waning Crescent
May 25
New
Jun 1
First Quarter
Jun 9
Full
Jun 17
Last Quarter