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Astronomy
May. 18, 2013 Rise Solar Noon Set
Actual Time 5:41 AM PDT 12:39 PM PDT 7:37 PM PDT
Civil Twilight 5:14 AM PDT   8:04 PM PDT
Nautical Twilight 4:40 AM PDT   8:37 PM PDT
Astronomical Twilight 4:05 AM PDT   9:13 PM PDT
Altitude -0.8° 76.9° -0.8°
Azimuth 65.8° 180.0° 294.3°
Hour Angle of the Sun 104.4° 104.5° -104.5°
Mean Anomaly of the Sun 133.20° 133.49° 133.77°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 55.48° 55.76° 56.05°
Sun Declination 19.65° 19.72° 19.78°
Moon 1:05 PM PDT (5/18)   1:13 AM PDT (5/18)
Length Of Visible Light 14h 50m
Length of Day
13h 55m
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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