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Astronomy

Dec. 18, 2017 Rise Solar Noon Set
Actual Time 7:52 AM PST 12:05 PM PST 4:17 PM PST
Civil Twilight 7:16 AM PST   4:53 PM PST
Nautical Twilight 6:36 AM PST   5:33 PM PST
Astronomical Twilight 5:59 AM PST   6:10 PM PST
Altitude -0.8° 18.9° -0.8°
Azimuth 125.0° 180.0° 235.0°
Hour Angle of the Sun 63.2° 63.2° -63.2°
Mean Anomaly of the Sun 344.21° 344.38° 344.56°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -93.36° -93.16° -92.97°
Sun Declination -23.40° -23.40° -23.41°
Moon 7:57 AM PST   5:06 PM PST
Length of Visible Light 9h 37m
Length of Day
8h 25m
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