Date facts
Monday, December 15, 1980
December 15, 1980 is day 350 of 366, in ISO week 51. There are 16 days left in 1980 after this date.
Weekday
Monday
Calendar weekday
Day of year
350
of 366
ISO week
51
Week-year 1980
Days remaining
16
In 1980
Weeks start on Monday and use ISO week numbers. Monday is week 51 of 1980.