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Astronomy
May. 21, 2013 Rise Solar Noon Set
Actual Time 5:40 AM PDT 12:55 PM PDT 8:12 PM PDT
Civil Twilight 5:09 AM PDT   8:43 PM PDT
Nautical Twilight 4:30 AM PDT   9:21 PM PDT
Astronomical Twilight 3:47 AM PDT   10:04 PM PDT
Altitude -0.8° 70.8° -0.8°
Azimuth 62.5° 180.0° 297.6°
Hour Angle of the Sun 109.0° 109.0° -109.1°
Mean Anomaly of the Sun 136.16° 136.45° 136.75°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 58.47° 58.78° 59.08°
Sun Declination 20.28° 20.34° 20.40°
Moon 4:32 PM PDT (5/21)   3:09 AM PDT (5/21)
Length Of Visible Light 15h 34m
Length of Day
14h 32m
Waxing Gibbous, 86% 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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