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Astronomy

Dec. 17, 2017 Rise Solar Noon Set
Actual Time 7:25 AM PST 11:39 AM PST 3:52 PM PST
Civil Twilight 6:49 AM PST   4:28 PM PST
Nautical Twilight 6:10 AM PST   5:07 PM PST
Astronomical Twilight 5:32 AM PST   5:45 PM PST
Altitude -0.8° 19.2° -0.8°
Azimuth 124.8° 180.0° 235.2°
Hour Angle of the Sun 63.4° 63.4° -63.4°
Mean Anomaly of the Sun 343.21° 343.38° 343.55°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -94.49° -94.29° -94.10°
Sun Declination -23.37° -23.38° -23.38°
Moon 6:36 AM PST   3:57 PM PST
Length of Visible Light 9h 39m
Length of Day
8h 27m
Waning Crescent, 0% of the Moon is Illuminated
Dec 17
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter