How do I use EOMONTH in Excel?
Use EOMONTH when you want to return the last day of a month. Enter Start date, Months in that order, then add optional arguments when needed.
Excel Function
EOMONTH
Returns last day of month shifted by months.
EOMONTH(start_date, months)Arguments
start_date
RequiredEnter a date/reference-related value.
months
RequiredEnter a numeric value.
Practice Preview
Use EOMONTH to return the result with these settings (Start date: B2 (cell B2 (Start Date in column B)), Months: 0).
Example Table
| # | ATask ID | BStart Date | CEnd Date | DNotes | EHoliday |
|---|---|---|---|---|---|
| 2 | T001 | 2026/03/01 | 2026/03/05 | Standard task | 2026/03/03 |
| 3 | T002 | 2026/03/03 | 2026/03/10 | Priority task | 2026/03/06 |
| 4 | T003 | 2026/03/05 | 2026/03/12 | Standard task | 2026/03/10 |
| 5 | T004 | 2026/03/08 | 2026/03/14 | Urgent task | 2026/03/12 |
| 6 | |||||
| 7 | |||||
| 8 |
How to Use (Formula)
=EOMONTH(B2, 0)Result
2026/03/31
Practice This Function
EOMONTH FAQ
Where can I practice EOMONTH?
Use the "Start Function Practice" button to jump straight into EOMONTH drills.
What arguments does EOMONTH use?
The main arguments are Start date, Months. Enter them in order.