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Astronomy
May. 21, 2013 Rise Solar Noon Set
Actual Time 5:31 AM PDT 12:35 PM PDT 7:39 PM PDT
Civil Twilight 5:02 AM PDT   8:07 PM PDT
Nautical Twilight 4:28 AM PDT   8:42 PM PDT
Astronomical Twilight 3:50 AM PDT   9:20 PM PDT
Altitude -0.8° 75.6° -0.8°
Azimuth 64.4° 180.0° 295.7°
Hour Angle of the Sun 106.0° 106.0° -106.1°
Mean Anomaly of the Sun 136.15° 136.44° 136.73°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 58.47° 58.76° 59.06°
Sun Declination 20.28° 20.34° 20.39°
Moon 4:05 PM PDT (5/21)   2:52 AM PDT (5/21)
Length Of Visible Light 15h 05m
Length of Day
14h 08m
Waxing Gibbous, 88% of the Moon is Illuminated
May 22
Waxing Gibbous
May 25
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter
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