Date facts
Sunday, May 18, 1980
May 18, 1980 is day 139 of 366, in ISO week 20. There are 227 days left in 1980 after this date.
Weekday
Sunday
Calendar weekday
Day of year
139
of 366
ISO week
20
Week-year 1980
Days remaining
227
In 1980
Weeks start on Monday and use ISO week numbers. Sunday is week 20 of 1980.