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November 1979 Monthly Calendar What day of the week was December 20, 1979? How many days since December 20, 1979?
December 20, 1979 was on a Thursday 16704 days ago.
January 1980 Monthly Calendar

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December 1979 Monthly Calendar
SunMonTueWedThuFriSat

16704 days ago

1979 12 20 0 0 1979-12-20