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Astronomy
May. 21, 2013 Rise Solar Noon Set
Actual Time 5:40 AM EDT 12:59 PM EDT 8:18 PM EDT
Civil Twilight 5:08 AM EDT   8:50 PM EDT
Nautical Twilight 4:29 AM EDT   9:29 PM EDT
Astronomical Twilight 3:44 AM EDT   10:14 PM EDT
Altitude -0.8° 69.7° -0.8°
Azimuth 62.1° 180.0° 298.1°
Hour Angle of the Sun 109.7° 109.7° -109.8°
Mean Anomaly of the Sun 136.03° 136.33° 136.63°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 58.35° 58.65° 58.96°
Sun Declination 20.25° 20.32° 20.38°
Moon 4:28 PM EDT   3:08 AM EDT
Length Of Visible Light 15h 41m
Length of Day
14h 37m
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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