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.

Click the drop-down arrow in this area and choose either of the two "Date" options. The long number in the cell with transform a date, which will be the midpoint between your two given dates.

Excel makes it easy to find how many days there are between two dates. With a little more effort, you can find the number of days in which people will be actually working.

You already knew that Excel can do straight date math, but it can also take into account holidays to find the number of working days between two dates. Tech blogger Chandoo points out the ...

How to Do Time Intervals in Excel. When calculating time intervals in Excel, you are looking for the time that has passed between two given sets of time. Because Excel converts dates and times ...

A TechRepublic member wrote for advice on calculating the years, months, and days elapsed between two dates. This tutorial explains the solution provided by TechRepublic contributor Jeff Davis.