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Astronomy

May. 23, 2017 Rise Solar Noon Set
Actual Time 5:45 AM PDT 12:58 PM PDT 8:11 PM PDT
Civil Twilight 5:15 AM PDT   8:41 PM PDT
Nautical Twilight 4:37 AM PDT   9:18 PM PDT
Astronomical Twilight 3:56 AM PDT   9:59 PM PDT
Altitude -0.8° 72.9° -0.8°
Azimuth 62.7° 180.0° 297.4°
Hour Angle of the Sun 108.2° 108.2° -108.3°
Mean Anomaly of the Sun 138.09° 138.39° 138.69°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 60.51° 60.82° 61.12°
Sun Declination 20.67° 20.73° 20.78°
Moon 4:30 AM PDT (5/23)   5:51 PM PDT (5/23)
Length of Visible Light 15h 26m
Length of Day
14h 26m
Waning Crescent, 4% of the Moon is Illuminated
May 23
Waning Crescent
May 25
New
Jun 1
First Quarter
Jun 9
Full
Jun 17
Last Quarter