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Astronomy

Dec. 13, 2019 Rise Solar Noon Set
Actual Time 7:18 AM PST 12:04 PM PST 4:49 PM PST
Civil Twilight 6:48 AM PST   5:19 PM PST
Nautical Twilight 6:15 AM PST   5:52 PM PST
Astronomical Twilight 5:43 AM PST   6:24 PM PST
Altitude -0.8° 28.3° -0.8°
Azimuth 119.4° 180.0° 240.6°
Hour Angle of the Sun 71.3° 71.3° -71.3°
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 6:27 PM PST   8:42 AM PST
Length of Visible Light 10h 30m
Length of Day
9h 30m
Full, 99% of the Moon is Illuminated
Dec 13
Full
Dec 18
Last Quarter
Dec 26
New
Jan 2
First Quarter
Jan 10
Full