DATE
Supported, behaves as documentedCategory: Date and time · Last tested 2026-07-04
Support matrix
| Engine | Documented | Live-tested | Verdict |
|---|---|---|---|
| Excel | Yes | Not yet | n/a |
| Google Sheets | Yes | Not yet | n/a |
| LibreOffice Calc | Yes | Yes (24.2.7.2, 2026-07-04) | Supported, behaves as documented |
Executed test cases
LibreOffice Calc 24.2.7.2 (tested 2026-07-04)
| Formula | Description | Result | Expected | Verdict |
|---|---|---|---|---|
| =DATE(2024,3,15) | Ordinary in-range y/m/d construction | 45366.0 | 45366 2024-03-15 = serial 45366 (1900 date system; Dec 31 2023 = 45291, Jan 1 2024 = 45292) |
Matched |
| =DATE(2024,13,1) | Documented rollover: month=13 adds 13 months worth of offset from January, landing in January of the FOLLOWING year rather than raising an error. Verified via https://support.microsoft.com/en-us/office/date-function-e36c0c8c-4104-49da-ab83-82328b832349 ("If month is greater than 12 ... DATE(2008,14,2) returns ... February 2, 2009") | 45658.0 | 45658 month 13 = 12 months past January 2024 -> January 2025; 2025-01-01 = serial 45658 (2024 is a leap year, 366 days after 45292) |
Matched |
| =DATE(2008,-3,2) | Documented rollback: month<=0 subtracts months backward across a year boundary. Verified via the same DATE documentation ("If month is less than 1 ... DATE(2008,-3,2) returns ... September 2, 2007") | 39327.0 | 39327 2007-09-02 = serial 39327 |
Matched |
Docs & syntax
- Excel: official documentation
- Google Sheets: official documentation
- LibreOffice Calc: official documentation