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Astronomy
May. 21, 2013 Rise Solar Noon Set
Actual Time 5:19 AM EDT 12:50 PM EDT 8:22 PM EDT
Civil Twilight 4:44 AM EDT   8:56 PM EDT
Nautical Twilight 4:00 AM EDT   9:41 PM EDT
Astronomical Twilight 3:07 AM EDT   10:35 PM EDT
Altitude -0.8° 65.7° -0.8°
Azimuth 59.9° 180.0° 300.3°
Hour Angle of the Sun 112.7° 112.8° -112.9°
Mean Anomaly of the Sun 136.02° 136.33° 136.64°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 58.33° 58.65° 58.96°
Sun Declination 20.25° 20.31° 20.38°
Moon 4:24 PM EDT   2:55 AM EDT
Length Of Visible Light 16h 11m
Length of Day
15h 02m
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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