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Astronomy
May. 21, 2013 Rise Solar Noon Set
Actual Time 5:26 AM PDT 12:46 PM PDT 8:06 PM PDT
Civil Twilight 4:54 AM PDT   8:38 PM PDT
Nautical Twilight 4:15 AM PDT   9:18 PM PDT
Astronomical Twilight 3:29 AM PDT   10:04 PM PDT
Altitude -0.8° 69.4° -0.8°
Azimuth 61.9° 180.0° 298.3°
Hour Angle of the Sun 109.9° 110.0° -110.1°
Mean Anomaly of the Sun 136.15° 136.45° 136.75°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 58.46° 58.77° 59.08°
Sun Declination 20.28° 20.34° 20.40°
Moon 4:24 PM PDT (5/21)   2:59 AM PDT (5/21)
Length Of Visible Light 15h 43m
Length of Day
14h 40m
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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