Since each date is really just a number stored in Excel, to compute the midpoint of two dates you would use the same mathematical formulas you would use to calculate the midpoint of two numbers ...

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

How to return a sequence of dates in Excel Excel’s fill handle can generate a quick list of dates for you, but the list is static; you must create a new list if your needs change.

For example, if you are adding project task data, use Excel functions to calculate the number of days for a task, the overall budget, the remaining budget, and other crucial details for your project.