> For the complete documentation index, see [llms.txt](https://resources.less.tech/less-tech/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://resources.less.tech/less-tech/modelling/action-guides/new-columns/date-math.md).

# Date Math

<figure><img src="/files/3WXePFZG9VKCjsJzFyk8" alt=""><figcaption><p>The Date Math Action</p></figcaption></figure>

With the Date Math Action, you can create new columns by adding time units to existing date columns. In the video below, we walk through a couple of examples of how to configure and use the Action.

{% embed url="<https://loom.com/share/1a8b69d45ba14dfe920b50c9e27b4c7e>" %}