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Astronomy
May. 18, 2013 Rise Solar Noon Set
Actual Time 6:31 AM EDT 1:34 PM EDT 8:38 PM EDT
Civil Twilight 6:02 AM EDT   9:06 PM EDT
Nautical Twilight 5:28 AM EDT   9:41 PM EDT
Astronomical Twilight 4:50 AM EDT   10:18 PM EDT
Altitude -0.8° 74.4° -0.8°
Azimuth 65.0° 180.0° 295.1°
Hour Angle of the Sun 105.8° 105.8° -105.9°
Mean Anomaly of the Sun 133.11° 133.40° 133.69°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 55.39° 55.68° 55.97°
Sun Declination 19.63° 19.70° 19.76°
Moon 1:55 PM EDT (5/18)   2:08 AM EDT (5/18)
Length Of Visible Light 15h 03m
Length of Day
14h 06m
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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