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Astronomy

Dec. 10, 2017 Rise Solar Noon Set
Actual Time 7:09 AM PST 11:59 AM PST 4:50 PM PST
Civil Twilight 6:40 AM PST   5:19 PM PST
Nautical Twilight 6:07 AM PST   5:51 PM PST
Astronomical Twilight 5:36 AM PST   6:23 PM PST
Altitude -0.8° 30.2° -0.8°
Azimuth 118.5° 180.0° 241.5°
Hour Angle of the Sun 72.7° 72.7° -72.7°
Mean Anomaly of the Sun 336.30° 336.50° 336.70°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -102.23° -102.01° -101.79°
Sun Declination -22.96° -22.98° -22.99°
Moon No Moon Rise   12:49 PM PST (12/10)
Length of Visible Light 10h 39m
Length of Day
9h 41m
Last Quarter, 41% of the Moon is Illuminated
Dec 10
Last Quarter
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter