ISO week date to calendar date
Convert an ISO week-year, week number and weekday into a Gregorian date.
Preparing your tool…
How it works
Week 1 contains 4 January. Monday is 1 and Sunday is 7; reject week 53 in years that lack it.
Example
2020-W53-5 is 2021-01-01.
What should I check before using the result?
ISO week-year can differ from the calendar year.