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Get last working day in month

Excel formula: Get last working day in month
Generic formula 

To get the last working day in a month, you can use the WORKDAY function together with the EOMONTH function. In the example, the formula in C4 is:


Working from the inside out, the EOMONTH function gets the last day of month of any date. To this result, we add 1, which results in the first day of the next month.

This date goes into WORKDAY function as the "start date", along with -1 for "days". The WORKDAY function automatically steps back 1 day, taking into account any weekends. The result is the last workday of the month.


To get the last working day of the month, taking into account holidays, just add the range that contains holiday dates to the formula like this:


Custom weekends

The WEEKDAY function assumes weekends are Saturday and Sunday. If you need to customize weekend days, you can use the WEEKDAY.INTL function.

Dave Bruns

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