NETWORKDAYS is another useful function through which you can use Excel to find days between two dates. It calculates the number of whole working days between two given dates.

Excel's Date & Time functions help you calculate a day's serial number, move to a 360-day accounting calendar, and more. We cover Date, Days, Days360, Time, and Weekday ...

Excel does the math for you; all you have to do is add the sign you need for the equation to work it out. Note that if you’re following PEMDAS, you might need to add parenthesis to break up the ...