Note: The other languages of the website are Google-translated. Back to English
English English

Excel EOMONTH function

To get the date that is a specific number of months before or after a given start date, the EDTAE function can do you a favor. Here is an EOMONTH function which is similar with the EDATE function, but, it returns the last day of month after adding or subtracting a number of months from a date.

doc eomonth function 1


The syntax for the EOMONTH function in Excel is:

=EOMONTH (Start_date, Months)


  • Start_date: A valid date in Excel that indicates the start date.
  • Months: The number of months before or after start date, it can be positive or negative value. A positive value for months to get a date in the future, and a negative value for date in the past.


Return last day of month date n months in future or past


To get the last day of the month that is a specific number of months before or after a given start date, please enter the following formula, and you will get a serial numbers, see screenshot:


doc eomonth function 2

Then, you should go to the Format Cells dialog box to format the serial numbers as a normal date format as you need, see screenshot:

doc eomonth function 3

Note: In the above formula, A2 is the start date you want to use, B2 is the cell contains the month number you want to add.

Tips: You can also replace the cell references in the above formulas with the date text string and month number, such as:

=EOMONTH("2018/12/1", 5)

The Best Office Productivity Tools

Kutools for Excel - Helps You To Stand Out From Crowd

Would you like to complete your daily work quickly and perfectly? Kutools for Excel brings 300 powerful advanced features (Combine workbooks, sum by color, split cell contents, convert date, and so on...) and save 80% time for you.

  • Designed for 1500 work scenarios, helps you solve 80% Excel problems.
  • Reduce thousands of keyboard and mouse clicks every day, relieve your tired eyes and hands.
  • Become an Excel expert in 3 minutes. No longer need to remember any painful formulas and VBA codes.
  • 30-day unlimited free trial. 60-day money back guarantee. Free upgrade and support for 2 years.
Ribbon of Excel (with Kutools for Excel installed)

Office Tab - Enable Tabbed Reading and Editing in Microsoft Office (include Excel)

  • One second to switch between dozens of open documents!
  • Reduce hundreds of mouse clicks for you every day, say goodbye to mouse hand.
  • Increases your productivity by 50% when viewing and editing multiple documents.
  • Brings Efficient Tabs to Office (include Excel), Just Like Chrome, Firefox, And New Internet Explorer.
Screen Shot of Excel (with Office Tab installed)
Comments (0)
No ratings yet. Be the first to rate!
There are no comments posted here yet
Leave your comments
Posting as Guest
Rate this post:
0   Characters
Suggested Locations