> For the complete documentation index, see [llms.txt](https://docs.helmut.de/helmut4-releases/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.helmut.de/helmut4-releases/helmut4-components/streamdesigner/wildcards/date-and-time-21/calendar-week.md).

# Calendar Week

The wildcard will return the current [calendar week](https://www.calendar-week.org/).

For example: 5 or 37