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Astronomy
May. 20, 2013 Rise Solar Noon Set
Actual Time 5:40 AM PDT 12:51 PM PDT 8:02 PM PDT
Civil Twilight 5:10 AM PDT   8:32 PM PDT
Nautical Twilight 4:34 AM PDT   9:09 PM PDT
Astronomical Twilight 3:53 AM PDT   9:49 PM PDT
Altitude -0.8° 72.3° -0.8°
Azimuth 63.5° 180.0° 296.6°
Hour Angle of the Sun 107.6° 107.7° -107.8°
Mean Anomaly of the Sun 135.17° 135.47° 135.76°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 57.47° 57.77° 58.07°
Sun Declination 20.08° 20.14° 20.20°
Moon 3:19 PM PDT   2:32 AM PDT
Length Of Visible Light 15h 21m
Length of Day
14h 21m
Waxing Gibbous, 74% of the Moon is Illuminated
May 20
Waxing Gibbous
May 25
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter
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