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Astronomy
May. 21, 2013 Rise Solar Noon Set
Actual Time 6:30 AM EDT 1:17 PM EDT 8:04 PM EDT
Civil Twilight 6:05 AM EDT   8:29 PM EDT
Nautical Twilight 5:34 AM EDT   9:00 PM EDT
Astronomical Twilight 5:03 AM EDT   9:31 PM EDT
Altitude -0.8° 83.8° -0.8°
Azimuth 66.8° 180.0° 293.4°
Hour Angle of the Sun 101.6° 101.7° -101.7°
Mean Anomaly of the Sun 136.07° 136.35° 136.62°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 58.38° 58.67° 58.95°
Sun Declination 20.26° 20.32° 20.37°
Moon 4:34 PM EDT   3:36 AM EDT
Length Of Visible Light 14h 24m
Length of Day
13h 33m
Waxing Gibbous, 86% of the Moon is Illuminated
May 21
Waxing Gibbous
May 25
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter
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