Date facts
Saturday, September 13, 1980
September 13, 1980 is day 257 of 366, in ISO week 37. There are 109 days left in 1980 after this date.
Weekday
Saturday
Calendar weekday
Day of year
257
of 366
ISO week
37
Week-year 1980
Days remaining
109
In 1980
Weeks start on Monday and use ISO week numbers. Saturday is week 37 of 1980.