How to Calculate the Number of Days in a Month Using Excel Formula

Learn the simple Excel formula =DAY(EOMONTH(A1,0)) to return the number of days in any month based on a given date.

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To return the number of days in a month, use this formula in Excel or Google Sheets: `=DAY(EOMONTH(A1,0))`. Replace `A1` with the date in question, and the formula will return the number of days in the respective month. This method is highly practical for varied date management tasks.

FAQs & Answers

  1. What does the EOMONTH function do in Excel? The EOMONTH function returns the serial number of the last day of the month that is a specified number of months before or after a given date.
  2. How can I find the number of days in February during a leap year? By using the formula =DAY(EOMONTH(date,0)) where 'date' is any date in February of the leap year, Excel automatically accounts for 29 days.
  3. Can this formula be used in Google Sheets as well? Yes, the formula =DAY(EOMONTH(A1,0)) works the same way in Google Sheets to return the number of days in a month.