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Astronomy

Dec. 13, 2019 Rise Solar Noon Set
Actual Time 7:16 AM PST 12:03 PM PST 4:51 PM PST
Civil Twilight 6:47 AM PST   5:20 PM PST
Nautical Twilight 6:14 AM PST   5:53 PM PST
Astronomical Twilight 5:42 AM PST   6:25 PM PST
Altitude -0.8° 29.1° -0.8°
Azimuth 119.1° 180.0° 240.9°
Hour Angle of the Sun 71.9° 71.8° -71.8°
Mean Anomaly of the Sun 338.75° 338.94° 339.14°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -99.46° -99.24° -99.02°
Sun Declination -23.15° -23.16° -23.18°
Moon 6:29 PM PST   8:40 AM PST
Length of Visible Light 10h 33m
Length of Day
9h 34m
Full, 98% of the Moon is Illuminated
Dec 13
Full
Dec 18
Last Quarter
Dec 26
New
Jan 2
First Quarter
Jan 10
Full