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Astronomy
May. 18, 2013 Rise Solar Noon Set
Actual Time 5:06 AM PDT 12:45 PM PDT 8:25 PM PDT
Civil Twilight 4:29 AM PDT   9:03 PM PDT
Nautical Twilight 3:39 AM PDT   9:52 PM PDT
Astronomical Twilight 2:36 AM PDT   10:56 PM PDT
Altitude -0.8° 61.8° -0.8°
Azimuth 58.8° 180.0° 301.4°
Hour Angle of the Sun 114.7° 114.8° -114.9°
Mean Anomaly of the Sun 133.18° 133.49° 133.81°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 55.45° 55.77° 56.09°
Sun Declination 19.65° 19.72° 19.79°
Moon 1:03 PM PDT (5/18)   1:33 AM PDT (5/18)
Length Of Visible Light 16h 33m
Length of Day
15h 18m
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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