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Astronomy
May. 21, 2013 Rise Solar Noon Set
Actual Time 5:46 AM PDT 12:59 PM PDT 8:12 PM PDT
Civil Twilight 5:16 AM PDT   8:42 PM PDT
Nautical Twilight 4:38 AM PDT   9:19 PM PDT
Astronomical Twilight 3:57 AM PDT   10:01 PM PDT
Altitude -0.8° 72.0° -0.8°
Azimuth 63.0° 180.0° 297.1°
Hour Angle of the Sun 108.2° 108.2° -108.3°
Mean Anomaly of the Sun 136.16° 136.46° 136.75°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 58.48° 58.78° 59.08°
Sun Declination 20.28° 20.34° 20.40°
Moon 4:34 PM PDT   3:14 AM PDT
Length Of Visible Light 15h 26m
Length of Day
14h 25m
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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