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Astronomy
May. 18, 2013 Rise Solar Noon Set
Actual Time 5:44 AM PDT 12:57 PM PDT 8:10 PM PDT
Civil Twilight 5:13 AM PDT   8:41 PM PDT
Nautical Twilight 4:35 AM PDT   9:19 PM PDT
Astronomical Twilight 3:54 AM PDT   10:01 PM PDT
Altitude -0.8° 70.4° -0.8°
Azimuth 63.5° 180.0° 296.7°
Hour Angle of the Sun 108.2° 108.3° -108.3°
Mean Anomaly of the Sun 133.20° 133.50° 133.80°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 55.48° 55.78° 56.08°
Sun Declination 19.65° 19.72° 19.78°
Moon 1:21 PM PDT (5/18)   1:36 AM PDT (5/18)
Length Of Visible Light 15h 27m
Length of Day
14h 26m
First Quarter, 59% of the Moon is Illuminated
May 18
First Quarter
May 25
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter
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