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Astronomy

May. 23, 2017 Rise Solar Noon Set
Actual Time 5:03 AM PDT 12:41 PM PDT 8:20 PM PDT
Civil Twilight 4:26 AM PDT   8:57 PM PDT
Nautical Twilight 3:39 AM PDT   9:45 PM PDT
Astronomical Twilight 2:39 AM PDT   10:45 PM PDT
Altitude -0.8° 64.5° -0.8°
Azimuth 58.3° 180.0° 301.9°
Hour Angle of the Sun 114.6° 114.7° -114.7°
Mean Anomaly of the Sun 138.06° 138.38° 138.69°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 60.49° 60.81° 61.13°
Sun Declination 20.67° 20.73° 20.79°
Moon 4:05 AM PDT (5/23)   5:44 PM PDT (5/23)
Length of Visible Light 16h 30m
Length of Day
15h 17m
Waning Crescent, 4% of the Moon is Illuminated
May 24
Waning Crescent
May 25
New
Jun 1
First Quarter
Jun 9
Full
Jun 17
Last Quarter