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Astronomy
May. 21, 2013 Rise Solar Noon Set
Actual Time 5:06 AM PDT 12:44 PM PDT 8:24 PM PDT
Civil Twilight 4:29 AM PDT   9:01 PM PDT
Nautical Twilight 3:40 AM PDT   9:50 PM PDT
Astronomical Twilight 2:39 AM PDT   10:51 PM PDT
Altitude -0.8° 63.4° -0.8°
Azimuth 58.5° 180.0° 301.7°
Hour Angle of the Sun 114.7° 114.8° -114.9°
Mean Anomaly of the Sun 136.13° 136.45° 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 4:30 PM PDT (5/21)   2:51 AM PDT (5/21)
Length Of Visible Light 16h 32m
Length of Day
15h 18m
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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