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Astronomy
May. 18, 2013 Rise Solar Noon Set
Actual Time 5:43 AM PDT 1:09 PM PDT 8:36 PM PDT
Civil Twilight 5:09 AM PDT   9:10 PM PDT
Nautical Twilight 4:26 AM PDT   9:53 PM PDT
Astronomical Twilight 3:36 AM PDT   10:44 PM PDT
Altitude -0.8° 65.7° -0.8°
Azimuth 61.2° 180.0° 299.0°
Hour Angle of the Sun 111.5° 111.6° -111.7°
Mean Anomaly of the Sun 133.20° 133.51° 133.81°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 55.48° 55.79° 56.09°
Sun Declination 19.65° 19.72° 19.79°
Moon 1:31 PM PDT (5/18)   1:54 AM PDT (5/18)
Length Of Visible Light 16h 00m
Length of Day
14h 52m
First Quarter, 60% of the Moon is Illuminated
May 19
First Quarter
May 25
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter
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