Date facts
Thursday, December 20, 1979
December 20, 1979 is day 354 of 365, in ISO week 51. There are 11 days left in 1979 after this date.
Weekday
Thursday
Calendar weekday
Day of year
354
of 365
ISO week
51
Week-year 1979
Days remaining
11
In 1979
Weeks start on Monday and use ISO week numbers. Thursday is week 51 of 1979.