Excel will calculate the number of days between the dates entered in cells B3 and A3 and display the result in cell C3. Take your mouse pointer to the lower-right corner of cell C3.

In the U.S., a holiday, Labor Day, falls on Sept. 5 in 2022. If you want to exclude that day from the count, you can use the optional holiday argument. How to exclude holidays in Excel ...

Counting cells in Excel using the COUNT function is very easy, so if you want to learn how to do it, read this post to learn all about it.