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Astronomy
May. 21, 2013 Rise Solar Noon Set
Actual Time 5:54 AM PDT 1:04 PM PDT 8:15 PM PDT
Civil Twilight 5:24 AM PDT   8:45 PM PDT
Nautical Twilight 4:48 AM PDT   9:22 PM PDT
Astronomical Twilight 4:08 AM PDT   10:02 PM PDT
Altitude -0.8° 72.9° -0.8°
Azimuth 63.4° 180.0° 296.7°
Hour Angle of the Sun 107.6° 107.6° -107.7°
Mean Anomaly of the Sun 136.17° 136.46° 136.76°
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 4:39 PM PDT (5/21)   3:20 AM PDT (5/21)
Length Of Visible Light 15h 20m
Length of Day
14h 21m
Waxing Gibbous, 87% 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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