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Astronomy

Dec. 10, 2017 Rise Solar Noon Set
Actual Time 6:45 AM PST 11:44 AM PST 4:43 PM PST
Civil Twilight 6:17 AM PST   5:11 PM PST
Nautical Twilight 5:46 AM PST   5:42 PM PST
Astronomical Twilight 5:16 AM PST   6:12 PM PST
Altitude -0.8° 33.4° -0.8°
Azimuth 117.3° 180.0° 242.6°
Hour Angle of the Sun 74.8° 74.7° -74.7°
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° -101.79°
Sun Declination -22.96° -22.97° -22.99°
Moon No Moon Rise   12:32 PM PST (12/10)
Length of Visible Light 10h 53m
Length of Day
9h 58m
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