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Astronomy

Apr. 21, 2015 Rise Solar Noon Set
Actual Time 6:25 AM PDT 1:14 PM PDT 8:04 PM PDT
Civil Twilight 5:55 AM PDT   8:34 PM PDT
Nautical Twilight 5:19 AM PDT   9:11 PM PDT
Astronomical Twilight 4:41 AM PDT   9:50 PM PDT
Altitude -0.8° 59.4° -0.8°
Azimuth 73.0° 180.0° 287.3°
Hour Angle of the Sun 102.3° 102.4° -102.5°
Mean Anomaly of the Sun 106.11° 106.39° 106.67°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 28.99° 29.26° 29.53°
Sun Declination 11.87° 11.96° 12.06°
Moon 8:46 AM PDT (4/21)   11:34 PM PDT (4/21)
Length of Visible Light 14h 38m
Length of Day
13h 39m
Waxing Crescent, 14% of the Moon is Illuminated
Apr 21
Waxing Crescent
Apr 25
First Quarter
May 3
Full
May 11
Last Quarter
May 18
New