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Astronomy

Dec. 10, 2017 Rise Solar Noon Set
Actual Time 7:57 AM PST 12:06 PM PST 4:15 PM PST
Civil Twilight 7:19 AM PST   4:52 PM PST
Nautical Twilight 6:39 AM PST   5:33 PM PST
Astronomical Twilight 6:00 AM PST   6:11 PM PST
Altitude -0.8° 17.9° -0.8°
Azimuth 125.4° 180.0° 234.6°
Hour Angle of the Sun 62.3° 62.3° -62.2°
Mean Anomaly of the Sun 336.33° 336.50° 336.67°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -102.20° -102.01° -101.82°
Sun Declination -22.96° -22.98° -22.99°
Moon No Moon Rise   1:03 PM PST (12/10)
Length of Visible Light 9h 32m
Length of Day
8h 18m
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