Hi all
I'm using the following formula to return the current ISO week number (this week we are in week 45, for example):
=1+INT((C2-DATE(YEAR(C2+4-WEEKDAY(C2,2)),1,5)+WEEKDAY(DATE(YEAR(C2+4-WEEKDAY(C2,2)),1,4),2))/7)
Cell C2 is just the current date: =TODAY()
So the ISO week formula returns...