To calculate the number of days between today and 04 September 2022 (which is a past date), we will use the formula =TODAY ()-A17. The function returns 24 as the resultant value.

Excel offers several easy ways to calculate expiry dates based on days, months, or business rules. In this post, we’ll explore different ways to automate expiry date calculations in Excel.

You should have experience with Excel before trying to use formulas to calculate what day of the week the 15th of a given month is, and you have several options to do this.