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Astronomy
May. 20, 2013 Rise Solar Noon Set
Actual Time 5:39 AM EDT 1:01 PM EDT 8:24 PM EDT
Civil Twilight 5:07 AM EDT   8:57 PM EDT
Nautical Twilight 4:26 AM EDT   9:38 PM EDT
Astronomical Twilight 3:39 AM EDT   10:25 PM EDT
Altitude -0.8° 68.1° -0.8°
Azimuth 61.6° 180.0° 298.5°
Hour Angle of the Sun 110.5° 110.6° -110.6°
Mean Anomaly of the Sun 135.05° 135.35° 135.65°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 57.35° 57.65° 57.96°
Sun Declination 20.05° 20.11° 20.18°
Moon 3:25 PM EDT (5/20)   2:38 AM EDT (5/20)
Length Of Visible Light 15h 49m
Length of Day
14h 44m
Waxing Gibbous, 78% of the Moon is Illuminated
May 20
Waxing Gibbous
May 25
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter
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