Date facts
Tuesday, December 16, 1980
December 16, 1980 is day 351 of 366, in ISO week 51. There are 15 days left in 1980 after this date.
Weekday
Tuesday
Calendar weekday
Day of year
351
of 366
ISO week
51
Week-year 1980
Days remaining
15
In 1980
Weeks start on Monday and use ISO week numbers. Tuesday is week 51 of 1980.