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How to count number of leap years between two dates in Excel?

Author Sun Last modified

In Excel, to count the number of years between two given dates may be easy for most of users, but can you count only the number of leap years, also called intercalary years, between two dates? Here I introduce a formula can help you to quickly calculate the number of leap years between a date range in Excel.

Count leap years in a date range with formula

arrow blue right bubble Count leap years in a date range with formula

To count leap years between two dates, you just need to do as this:

Select a blank cell that you will place the counted result at, C2 for instance, and enter this formula:
=DATE(YEAR(B2),1,1)-DATE(YEAR(A2),1,1)-((YEAR(B2)-YEAR(A2))*365)+AND(MONTH(DATE(YEAR(A2),2,29))=2,MONTH(DATE(YEAR(B2),2,29))=2)*1

Then press Enter key to get the result. See screenshot:
A screenshot showing the formula used to calculate leap years between two dates in Excel

Tip: In the formula, A2 is the start date and B2 is the end date, you can change them as you need.

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