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Astronomy

Dec. 10, 2017 Rise Solar Noon Set
Actual Time 7:20 AM PST 12:02 PM PST 4:43 PM PST
Civil Twilight 6:50 AM PST   5:13 PM PST
Nautical Twilight 6:16 AM PST   5:47 PM PST
Astronomical Twilight 5:43 AM PST   6:20 PM PST
Altitude -0.8° 26.8° -0.8°
Azimuth 119.9° 180.0° 240.1°
Hour Angle of the Sun 70.3° 70.3° -70.3°
Mean Anomaly of the Sun 336.31° 336.50° 336.69°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -102.22° -102.01° -101.79°
Sun Declination -22.96° -22.98° -22.99°
Moon No Moon Rise   12:53 PM PST (12/10)
Length of Visible Light 10h 23m
Length of Day
9h 22m
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