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Astronomy
May. 21, 2013 Rise Solar Noon Set
Actual Time 5:37 AM EDT 1:00 PM EDT 8:24 PM EDT
Civil Twilight 5:04 AM EDT   8:57 PM EDT
Nautical Twilight 4:23 AM EDT   9:38 PM EDT
Astronomical Twilight 3:35 AM EDT   10:26 PM EDT
Altitude -0.8° 68.1° -0.8°
Azimuth 61.3° 180.0° 298.9°
Hour Angle of the Sun 110.9° 110.9° -111.0°
Mean Anomaly of the Sun 136.03° 136.33° 136.64°
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 4:32 PM EDT (5/21)   3:08 AM EDT (5/21)
Length Of Visible Light 15h 53m
Length of Day
14h 47m
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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