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Astronomy
May. 18, 2013 Rise Solar Noon Set
Actual Time 5:55 AM PDT 1:04 PM PDT 8:13 PM PDT
Civil Twilight 5:25 AM PDT   8:43 PM PDT
Nautical Twilight 4:48 AM PDT   9:19 PM PDT
Astronomical Twilight 4:09 AM PDT   9:59 PM PDT
Altitude -0.8° 72.0° -0.8°
Azimuth 64.1° 180.0° 296.1°
Hour Angle of the Sun 107.2° 107.3° -107.3°
Mean Anomaly of the Sun 133.21° 133.50° 133.80°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 55.48° 55.78° 56.08°
Sun Declination 19.66° 19.72° 19.78°
Moon 1:29 PM PDT (5/18)   1:42 AM PDT (5/18)
Length Of Visible Light 15h 17m
Length of Day
14h 18m
First Quarter, 58% 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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