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Astronomy
May. 21, 2013 Rise Solar Noon Set
Actual Time 5:47 AM PDT 12:57 PM PDT 8:08 PM PDT
Civil Twilight 5:18 AM PDT   8:37 PM PDT
Nautical Twilight 4:41 AM PDT   9:14 PM PDT
Astronomical Twilight 4:01 AM PDT   9:54 PM PDT
Altitude -0.8° 73.1° -0.8°
Azimuth 63.5° 180.0° 296.7°
Hour Angle of the Sun 107.5° 107.5° -107.6°
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 4:31 PM PDT (5/21)   3:13 AM PDT (5/21)
Length Of Visible Light 15h 19m
Length of Day
14h 20m
Waxing Gibbous, 86% 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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