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Astronomy
May. 21, 2013 Rise Solar Noon Set
Actual Time 5:36 AM EDT 12:54 PM EDT 8:13 PM EDT
Civil Twilight 5:04 AM EDT   8:44 PM EDT
Nautical Twilight 4:25 AM EDT   9:24 PM EDT
Astronomical Twilight 3:40 AM EDT   10:09 PM EDT
Altitude -0.8° 69.8° -0.8°
Azimuth 62.1° 180.0° 298.0°
Hour Angle of the Sun 109.6° 109.7° -109.7°
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° 20.31° 20.37°
Moon 4:23 PM EDT (5/21)   3:03 AM EDT (5/21)
Length Of Visible Light 15h 40m
Length of Day
14h 37m
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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