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Astronomy
May. 21, 2013 Rise Solar Noon Set
Actual Time 6:32 AM EDT 1:45 PM EDT 8:58 PM EDT
Civil Twilight 6:02 AM EDT   9:29 PM EDT
Nautical Twilight 5:25 AM EDT   10:06 PM EDT
Astronomical Twilight 4:43 AM EDT   10:48 PM EDT
Altitude -0.8° 72.0° -0.8°
Azimuth 63.0° 180.0° 297.1°
Hour Angle of the Sun 108.2° 108.2° -108.3°
Mean Anomaly of the Sun 136.07° 136.37° 136.66°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 58.38° 58.69° 58.99°
Sun Declination 20.26° 20.32° 20.38°
Moon 5:14 PM EDT (5/21)   3:57 AM EDT (5/21)
Length Of Visible Light 15h 26m
Length of Day
14h 25m
Waxing Gibbous, 87% 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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