Subtraction is the easiest way to count days between two dates in Excel. You can use the arithmetic operator – (minus sign) to subtract one date from another to find the number of days between them.

Calculate the difference between two values in your Microsoft Excel worksheet. Excel provides one general formula that finds the difference between numbers, 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.

If you need to count or calculate number of Leap Years between two dates in Excel or list of two dates in Excel, make use of this formula to get things done.

Either way, counting the number of records that fall between two dates is easy using the COUNTIFS () function (which isn’t available in Excel 2003 or earlier).

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 ...

Bookkeepers, project managers, HR departments and more use the Excel Date & Time functions WEEKNUM, ISOWEEKNUM, WORKDAY, WORKDAY.INTL to calculate time. Here's how.

Thankfully, Microsoft Excel's COUNTIF formula swoops in to save the day. It lets you count cells based on specific text or conditions, turning your spreadsheet chaos into organized data magic.