How to Calculate the 15th Day of Each Month on Excel. Microsoft Excel is a versatile program that you can use simple or highly complex tasks, and one of the features that makes Excel so useful is ...

Excel offers several easy ways to calculate expiry dates. This post explores different ways to automate expiry date calculations in Excel.

=NOW ()-A2 Then, Excel would calculate the age in days by subtracting the date value entered in cell A2 from NOW (), which returns the current system date.