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Astronomy

Dec. 18, 2017 Rise Solar Noon Set
Actual Time 7:45 AM PST 12:08 PM PST 4:30 PM PST
Civil Twilight 7:11 AM PST   5:04 PM PST
Nautical Twilight 6:34 AM PST   5:41 PM PST
Astronomical Twilight 5:58 AM PST   6:17 PM PST
Altitude -0.8° 21.4° -0.8°
Azimuth 123.3° 180.0° 236.7°
Hour Angle of the Sun 65.6° 65.6° -65.6°
Mean Anomaly of the Sun 344.21° 344.39° 344.57°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -93.36° -93.16° -92.96°
Sun Declination -23.40° -23.40° -23.41°
Moon 7:52 AM PST   5:17 PM PST
Length of Visible Light 9h 52m
Length of Day
8h 44m
New Moon, 0% of the Moon is Illuminated
Dec 18
New Moon
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter
Jan 16
New