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EOMONTH

Supported, behaves as documented

Category: Date and time · Last tested 2026-08-06

Real, executed compatibility results for the EOMONTH function across Microsoft Excel, Google Sheets, and LibreOffice Calc — verified by actually running it. Syntax and links to each vendor’s official documentation are below.

Support matrix

EngineDocumentedLive-testedVerdict
Excel Yes Not yet n/a
Google Sheets Yes Not yet n/a
LibreOffice Calc Yes Yes (25.8.7.3, 2026-08-06) Supported, behaves as documented

LibreOffice version history

We executed the same test cases under each LibreOffice release to show exactly when EOMONTH’s support changed — not documentation claims, real results.

LibreOffice versionVerdictTested
24.2.0.3 Supported, behaves as documented 2026-07-19
24.8.7.2 Supported, behaves as documented 2026-07-19
25.2.0.3 Supported, behaves as documented 2026-07-24
25.8.7.3 Supported, behaves as documented 2026-08-06

Executed test cases

LibreOffice Calc 25.8.7.3 (tested 2026-08-06)

FormulaDescriptionResultExpectedVerdict
=EOMONTH(DATE(2024,3,15),0) months=0 returns the end of the SAME month as the given date 45382 45382
End of March 2024 = 2024-03-31 = serial 45382		 Matched
=EOMONTH(DATE(2024,3,15),1) Positive months argument moves forward to the end of a future month 45412 45412
End of April 2024 = 2024-04-30 = serial 45412		 Matched
=EOMONTH(DATE(2024,3,15),-1) Negative months argument moves backward to the end of a past month 45351 45351
End of February 2024 (a leap year) = 2024-02-29 = serial 45351		 Matched
=EOMONTH(DATE(2024,12,15),1) Positive offset that also crosses a year boundary 45688 45688
End of January 2025 = 2025-01-31 = serial 45688		 Matched

Docs & syntax

Related how-to recipes

Compared against other functions