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Astronomy
May. 21, 2013 Rise Solar Noon Set
Actual Time 5:03 AM PDT 12:40 PM PDT 8:17 PM PDT
Civil Twilight 4:27 AM PDT   8:54 PM PDT
Nautical Twilight 3:39 AM PDT   9:42 PM PDT
Astronomical Twilight 2:40 AM PDT   10:41 PM PDT
Altitude -0.8° 64.0° -0.8°
Azimuth 58.8° 180.0° 301.4°
Hour Angle of the Sun 114.2° 114.3° -114.4°
Mean Anomaly of the Sun 136.13° 136.44° 136.76°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 58.45° 58.77° 59.09°
Sun Declination 20.27° 20.34° 20.40°
Moon 4:25 PM PDT   2:47 AM PDT
Length Of Visible Light 16h 27m
Length of Day
15h 14m
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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