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Astronomy
May. 18, 2013 Rise Solar Noon Set
Actual Time 5:21 AM PDT 12:33 PM PDT 7:45 PM PDT
Civil Twilight 4:50 AM PDT   8:16 PM PDT
Nautical Twilight 4:13 AM PDT   8:53 PM PDT
Astronomical Twilight 3:31 AM PDT   9:35 PM PDT
Altitude -0.8° 70.7° -0.8°
Azimuth 63.6° 180.0° 296.6°
Hour Angle of the Sun 108.0° 108.1° -108.1°
Mean Anomaly of the Sun 133.19° 133.48° 133.78°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 55.46° 55.76° 56.06°
Sun Declination 19.65° 19.72° 19.78°
Moon 12:56 PM PDT   1:12 AM PDT
Length Of Visible Light 15h 25m
Length of Day
14h 24m
First Quarter, 57% 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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