How to Check if a Year is a Leap Year in Excel

Figure 1. Year is a Leap Year in Excel.

We are going to use a formula that consists of the Excel MONTH, YEAR, and DATE functions in order to ascertain whether the year of a given date is a leap year,

Generic Formula

=MONTH(DATE(YEAR(date),2,29))=2

In the formula above, February has 29 days during a leap year, and the number 2 is for the month of February.

How to use the Excel MONTH, YEAR, and DATE Functions.

We are now going to utilize the Excel MONTH YEAR and DATE Functions in 3 simple steps;

1. Enter the day, month, and year values in a column of our worksheet.

Be sure to label a separate column for Excel to indicate which of the dates occur on a leap year.

See example illustrated below;

Figure 2. Year is a Leap Year in Excel.

2. In the example illustrated above, we are going to enter the following MONTH, YEAR, and DATE formula into cell B2;

=MONTH(DATE(YEAR(A2),2,29))=2

Figure 3. Year is a  Leap Year in Excel.

3. After Excel has returned the initial result, copy the formula into the cells down the column for the next results to be returned.

Figure 4. Year is a Leap Year in Excel.

If the year is a Leap Year, the formula returns TRUE and if not, the formula returns FALSE.

However, during non-leap years, the date March 1 of the year will be returned by the DATE Function because the 29th day does not exist.

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