week of year
FEEL built-in function · Temporal functions
week of year(date)
Returns the ISO 8601 week number of the date.
Parameters
| Parameter | Type | Description |
|---|---|---|
| date | date or date and time | the value to inspect |
Examples
week of year(date("2026-01-01"))
1
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week of year(date("2026-07-24"))
30
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Related functions
Defined by the OMG DMN 1.6 specification, chapter 10.3.4 (built-in functions).