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Astronomy

Dec. 10, 2017 Rise Solar Noon Set
Actual Time 6:50 AM PST 11:45 AM PST 4:41 PM PST
Civil Twilight 6:22 AM PST   5:09 PM PST
Nautical Twilight 5:50 AM PST   5:40 PM PST
Astronomical Twilight 5:20 AM PST   6:11 PM PST
Altitude -0.8° 31.9° -0.8°
Azimuth 117.8° 180.0° 242.1°
Hour Angle of the Sun 73.8° 73.8° -73.8°
Mean Anomaly of the Sun 336.28° 336.49° 336.69°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -102.25° -102.02° -101.80°
Sun Declination -22.96° -22.98° -22.99°
Moon No Moon Rise   12:34 PM PST (12/10)
Length of Visible Light 10h 46m
Length of Day
9h 50m
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