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Astronomy
May. 21, 2013 Rise Solar Noon Set
Actual Time 5:40 AM PDT 1:03 PM PDT 8:27 PM PDT
Civil Twilight 5:07 AM PDT   9:00 PM PDT
Nautical Twilight 4:26 AM PDT   9:42 PM PDT
Astronomical Twilight 3:38 AM PDT   10:30 PM PDT
Altitude -0.8° 68.1° -0.8°
Azimuth 61.2° 180.0° 298.9°
Hour Angle of the Sun 110.9° 110.9° -111.0°
Mean Anomaly of the Sun 136.16° 136.46° 136.76°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 58.47° 58.78° 59.09°
Sun Declination 20.28° 20.34° 20.40°
Moon 4:44 PM PDT (5/21)   3:15 AM PDT (5/21)
Length Of Visible Light 15h 53m
Length of Day
14h 47m
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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