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Astronomy

Apr. 21, 2015 Rise Solar Noon Set
Actual Time 6:15 AM PDT 1:11 PM PDT 8:08 PM PDT
Civil Twilight 5:43 AM PDT   8:40 PM PDT
Nautical Twilight 5:03 AM PDT   9:20 PM PDT
Astronomical Twilight 4:20 AM PDT   10:04 PM PDT
Altitude -0.8° 55.5° -0.8°
Azimuth 71.7° 180.0° 288.6°
Hour Angle of the Sun 104.1° 104.2° -104.3°
Mean Anomaly of the Sun 106.10° 106.39° 106.67°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 28.99° 29.26° 29.53°
Sun Declination 11.86° 11.96° 12.06°
Moon 8:32 AM PDT (4/21)   11:42 PM PDT (4/21)
Length of Visible Light 14h 57m
Length of Day
13h 53m
Waxing Crescent, 13% of the Moon is Illuminated
Apr 21
Waxing Crescent
Apr 25
First Quarter
May 3
Full
May 11
Last Quarter
May 18
New