Date facts
Monday, May 18, 1981
May 18, 1981 is day 138 of 365, in ISO week 21. There are 227 days left in 1981 after this date.
Weekday
Monday
Calendar weekday
Day of year
138
of 365
ISO week
21
Week-year 1981
Days remaining
227
In 1981
Weeks start on Monday and use ISO week numbers. Monday is week 21 of 1981.