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Astronomy
May. 21, 2013 Rise Solar Noon Set
Actual Time 5:21 AM ADT 12:58 PM ADT 8:36 PM ADT
Civil Twilight 4:44 AM ADT   9:13 PM ADT
Nautical Twilight 3:56 AM ADT   10:01 PM ADT
Astronomical Twilight 2:57 AM ADT   11:02 PM ADT
Altitude -0.8° 63.7° -0.8°
Azimuth 58.7° 180.0° 301.5°
Hour Angle of the Sun 114.4° 114.5° -114.6°
Mean Anomaly of the Sun 135.98° 136.29° 136.61°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 58.29° 58.61° 58.93°
Sun Declination 20.24° 20.31° 20.37°
Moon 4:32 PM ADT   3:01 AM ADT
Length Of Visible Light 16h 29m
Length of Day
15h 15m
Waxing Gibbous, 84% 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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