Date facts
Friday, December 21, 1979
December 21, 1979 is day 355 of 365, in ISO week 51. There are 10 days left in 1979 after this date.
Weekday
Friday
Calendar weekday
Day of year
355
of 365
ISO week
51
Week-year 1979
Days remaining
10
In 1979
Weeks start on Monday and use ISO week numbers. Friday is week 51 of 1979.