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Astronomy
May. 18, 2013 Rise Solar Noon Set
Actual Time 6:39 AM EDT 1:25 PM EDT 8:10 PM EDT
Civil Twilight 6:14 AM EDT   8:35 PM EDT
Nautical Twilight 5:44 AM EDT   9:06 PM EDT
Astronomical Twilight 5:12 AM EDT   9:37 PM EDT
Altitude -0.8° 83.0° -0.8°
Azimuth 67.5° 180.0° 292.7°
Hour Angle of the Sun 101.3° 101.4° -101.4°
Mean Anomaly of the Sun 133.12° 133.39° 133.67°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 55.39° 55.67° 55.95°
Sun Declination 19.64° 19.70° 19.76°
Moon 1:49 PM EDT   1:52 AM EDT
Length Of Visible Light 14h 21m
Length of Day
13h 30m
First Quarter, 55% 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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