Helper row (hide) six: WeekOfTheMonth:
AH5:AL5:![]()
=WEEKNUM(C$4,2)-WEEKNUM(DATE(YEAR(C$4),MONTH(C$4),1),2)+1
Named Ranges:![]()
=COUNTIFS(WeekOfTheMonth,AH4,OFFSET(WeekOfTheMonth,-1,0),"Y")/COUNTIF(WeekOfTheMonth,AH4)
DaysOfMonth ='JANUARY (2)'!$C$4:$AG$4
WeekOfTheMonth ='JANUARY (2)'!$C$6:$AG$6
Bookmarks