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Astronomy
May. 21, 2013 Rise Solar Noon Set
Actual Time 5:46 AM PDT 12:57 PM PDT 8:09 PM PDT
Civil Twilight 5:16 AM PDT   8:39 PM PDT
Nautical Twilight 4:39 AM PDT   9:16 PM PDT
Astronomical Twilight 3:59 AM PDT   9:57 PM PDT
Altitude -0.8° 72.6° -0.8°
Azimuth 63.3° 180.0° 296.9°
Hour Angle of the Sun 107.8° 107.9° -107.9°
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 4:32 PM PDT   3:13 AM PDT
Length Of Visible Light 15h 23m
Length of Day
14h 23m
Waxing Gibbous, 82% 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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