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Astronomy
May. 21, 2013 Rise Solar Noon Set
Actual Time 5:48 AM EDT 1:12 PM EDT 8:37 PM EDT
Civil Twilight 5:15 AM EDT   9:10 PM EDT
Nautical Twilight 4:33 AM EDT   9:51 PM EDT
Astronomical Twilight 3:45 AM EDT   10:40 PM EDT
Altitude -0.8° 67.9° -0.8°
Azimuth 61.1° 180.0° 299.0°
Hour Angle of the Sun 111.0° 111.1° -111.2°
Mean Anomaly of the Sun 136.04° 136.34° 136.65°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 58.35° 58.66° 58.97°
Sun Declination 20.26° 20.32° 20.38°
Moon 4:44 PM EDT (5/21)   3:20 AM EDT (5/21)
Length Of Visible Light 15h 54m
Length of Day
14h 48m
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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