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Astronomy

Dec. 10, 2017 Rise Solar Noon Set
Actual Time 7:40 AM PST 11:57 AM PST 4:14 PM PST
Civil Twilight 7:05 AM PST   4:50 PM PST
Nautical Twilight 6:26 AM PST   5:28 PM PST
Astronomical Twilight 5:49 AM PST   6:06 PM PST
Altitude -0.8° 19.8° -0.8°
Azimuth 124.0° 180.0° 236.0°
Hour Angle of the Sun 64.2° 64.2° -64.2°
Mean Anomaly of the Sun 336.32° 336.49° 336.67°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -102.21° -102.01° -101.82°
Sun Declination -22.96° -22.98° -22.99°
Moon No Moon Rise   12:53 PM PST (12/10)
Length of Visible Light 9h 44m
Length of Day
8h 33m
Last Quarter, 40% of the Moon is Illuminated
Dec 11
Last Quarter
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter