To count the days of a month using a combination of functions `DAY`

in Google Sheets , follow these steps:`EOMONTH`

table of contents

## Using the EOMONTH function

**Using the EOMONTH function** : `EOMONTH`

The function returns the date of the last day of a particular month.

This function takes as arguments a specific date (e.g. “2024-02-01”) and a number to add or subtract the month (0 is the month, 1 is the next month, -1 is the previous month).

For example, `=EOMONTH("2024-02-01", 0)`

returns the last day of February 2024, the date from which to calculate the number of days in February 2024.

`=EOMONTH("2024-02-01", 0)`

## Using the DAY function

**Using the DAY function** : `DAY`

The function returns the “day” part of a date as a number. By inputting the output from the function into this function `EOMONTH`

, you can get the number of days in the month.

For example, `=DAY(EOMONTH("2024-02-01", 0))`

returns the number of days in February 2024, or 29 (in a leap year).

`=DAY(EOMONTH("2024-02-01", 0))`

Therefore, if you want to find the number of days in any month, `EOMONTH`

enter the first day of the month (e.g. “2024-02-01”) into the function and `DAY`

use the function to get the day of the last day of the month.

This will calculate the number of days in the month.

## A concrete example of calculating the number of days

Let me give you a concrete example of calculating the number of days in March 2024.

Select any cell in your spreadsheet.

Enter the following formula into that cell:

`=DAY(EOMONTH("2024-03-01", 0))`

In this formula, `EOMONTH`

the function calculates the last day of the month starting from March 1, 2024. The function then `DAY`

returns the “day” part of that last day as a number.

Press the Enter key to display the calculation results. There are 31 days in March 2024, so the result will be “31”.

## summary

This method can be used for any year and month. For example, if you want to know the number of days in July 2025, `=DAY(EOMONTH("2025-07-01", 0))`

enter the formula as In this way, you can easily calculate the number of days in different months and years.