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Astronomy
May. 21, 2013 Rise Solar Noon Set
Actual Time 4:58 AM PDT 12:39 PM PDT 8:20 PM PDT
Civil Twilight 4:21 AM PDT   8:58 PM PDT
Nautical Twilight 3:31 AM PDT   9:48 PM PDT
Astronomical Twilight 2:28 AM PDT   10:52 PM PDT
Altitude -0.8° 62.9° -0.8°
Azimuth 58.1° 180.0° 302.1°
Hour Angle of the Sun 115.2° 115.3° -115.3°
Mean Anomaly of the Sun 136.13° 136.44° 136.76°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 58.44° 58.77° 59.09°
Sun Declination 20.27° 20.34° 20.40°
Moon 4:25 PM PDT   2:45 AM PDT
Length Of Visible Light 16h 37m
Length of Day
15h 22m
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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