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Astronomy
May. 21, 2013 Rise Solar Noon Set
Actual Time 4:58 AM AST 11:59 AM AST 7:00 PM AST
Civil Twilight 4:30 AM AST   7:28 PM AST
Nautical Twilight 3:57 AM AST   8:02 PM AST
Astronomical Twilight 3:20 AM AST   8:38 PM AST
Altitude -0.8° 76.7° -0.8°
Azimuth 64.9° 180.0° 295.2°
Hour Angle of the Sun 105.2° 105.2° -105.3°
Mean Anomaly of the Sun 135.72° 136.01° 136.29°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 58.03° 58.32° 58.61°
Sun Declination 20.19° 20.25° 20.31°
Moon 3:00 PM AST   2:01 AM AST
Length Of Visible Light 14h 57m
Length of Day
14h 02m
Waxing Gibbous, 81% 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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