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Astronomy
May. 21, 2013 Rise Solar Noon Set
Actual Time 5:04 AM PDT 12:47 PM PDT 8:31 PM PDT
Civil Twilight 4:26 AM PDT   9:10 PM PDT
Nautical Twilight 3:35 AM PDT   10:01 PM PDT
Astronomical Twilight 2:27 AM PDT   11:10 PM PDT
Altitude -0.8° 62.2° -0.8°
Azimuth 57.6° 180.0° 302.6°
Hour Angle of the Sun 115.8° 115.9° -116.0°
Mean Anomaly of the Sun 136.13° 136.45° 136.77°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 58.45° 58.77° 59.10°
Sun Declination 20.27° 20.34° 20.40°
Moon 4:35 PM PDT   2:53 AM PDT
Length Of Visible Light 16h 44m
Length of Day
15h 27m
Waxing Gibbous, 80% 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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