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Astronomy

Dec. 13, 2019 Rise Solar Noon Set
Actual Time 6:46 AM PST 11:39 AM PST 4:31 PM PST
Civil Twilight 6:17 AM PST   5:00 PM PST
Nautical Twilight 5:45 AM PST   5:32 PM PST
Astronomical Twilight 5:14 AM PST   6:03 PM PST
Altitude -0.8° 31.0° -0.8°
Azimuth 118.3° 180.0° 241.6°
Hour Angle of the Sun 73.2° 73.2° -73.2°
Mean Anomaly of the Sun 338.73° 338.93° 339.13°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -99.48° -99.26° -99.03°
Sun Declination -23.15° -23.16° -23.18°
Moon 6:09 PM PST   8:08 AM PST
Length of Visible Light 10h 42m
Length of Day
9h 45m
Full, 97% of the Moon is Illuminated
Dec 13
Full
Dec 18
Last Quarter
Dec 26
New
Jan 2
First Quarter
Jan 10
Full