Astronomy
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Astronomy
May. 20, 2013 Rise Solar Noon Set
Actual Time 5:21 AM PDT 12:58 PM PDT 8:35 PM PDT
Civil Twilight 4:45 AM PDT   9:12 PM PDT
Nautical Twilight 3:57 AM PDT   10:00 PM PDT
Astronomical Twilight 2:58 AM PDT   10:59 PM PDT
Altitude -0.8° 63.5° -0.8°
Azimuth 59.0° 180.0° 301.2°
Hour Angle of the Sun 114.2° 114.3° -114.3°
Mean Anomaly of the Sun 135.16° 135.47° 135.78°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 57.46° 57.78° 58.09°
Sun Declination 20.07° 20.14° 20.20°
Moon 3:32 PM PDT   2:37 AM PDT
Length Of Visible Light 16h 27m
Length of Day
15h 14m
Waxing Gibbous, 75% 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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