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Astronomy

May. 23, 2017 Rise Solar Noon Set
Actual Time 5:12 AM PDT 12:56 PM PDT 8:41 PM PDT
Civil Twilight 4:34 AM PDT   9:20 PM PDT
Nautical Twilight 3:43 AM PDT   10:11 PM PDT
Astronomical Twilight 2:36 AM PDT   11:19 PM PDT
Altitude -0.8° 62.9° -0.8°
Azimuth 57.2° 180.0° 303.0°
Hour Angle of the Sun 116.0° 116.1° -116.2°
Mean Anomaly of the Sun 138.07° 138.39° 138.71°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 60.49° 60.82° 61.14°
Sun Declination 20.67° 20.73° 20.79°
Moon 4:19 AM PDT   6:03 PM PDT
Length of Visible Light 16h 45m
Length of Day
15h 29m
Waning Crescent, 8% of the Moon is Illuminated
May 23
Waning Crescent
May 25
New
Jun 1
First Quarter
Jun 9
Full
Jun 17
Last Quarter