Date facts
Monday, December 31, 1984
December 31, 1984 is day 366 of 366, in ISO week 1. There are 0 days left in 1984 after this date.
Weekday
Monday
Calendar weekday
Day of year
366
of 366
ISO week
1
Week-year 1985
Days remaining
0
In 1984
Weeks start on Monday and use ISO week numbers. Monday is the first week of 1985.