WORKDAY
Supported, behaves as documentedCategory: Date and time · Last tested 2026-08-06
Real, executed compatibility results for the WORKDAY 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
| Engine | Documented | Live-tested | Verdict |
|---|---|---|---|
| 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 WORKDAY’s support changed — not documentation claims, real results.
| LibreOffice version | Verdict | Tested |
|---|---|---|
| 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)
| Formula | Description | Result | Expected | Verdict |
|---|---|---|---|---|
| =WORKDAY(DATE(2024,1,1),5) | 5 working days after Mon Jan 1, 2024, no holidays supplied | 45299 | 45299 Jan 1, 2024 (Mon) + 5 workdays, skipping the Jan 6-7 weekend, = Jan 8, 2024 = serial 45299 |
Matched |
| =WORKDAY(DATE(2024,1,1),5,DATE(2024,1,3)) | Same start/offset as WORKDAY_basic_no_holidays but with Jan 3 excluded as a holiday, pushing the result one calendar day later | 45300 | 45300 With Jan 3 excluded, the 5th workday becomes Jan 9, 2024 = serial 45300 |
Matched |
| =WORKDAY(DATE(2024,1,1),5,A2:A3) | holidays argument as a multi-cell range (Jan 3 and Jan 4 both excluded) | 45301 | 45301 With both Jan 3 and Jan 4 excluded, the 5th workday becomes Jan 10, 2024 = serial 45301 |
Matched |
| =WORKDAY(DATE(2024,1,10),-5) | Negative days argument counts backward from start_date instead of forward. Verified via https://support.microsoft.com/en-us/office/workday-function-f764a5b7-05fc-4494-9486-60d494efbf33 ("A positive value for days yields a future date; a negative value yields a past date") | 45294 | 45294 Jan 10, 2024 (Wed) - 5 workdays, skipping the Jan 6-7 weekend, = Jan 3, 2024 = serial 45294 |
Matched |
Docs & syntax
- Excel: official documentation
- Google Sheets: official documentation
- LibreOffice Calc: official documentation