Headers / Frontmatter | Grav Documentation
https://learn.getgrav.org/16/content/headers

"Date
date: 01/01/2020 3:14pm
Copy
The date variable allows you to specifically set a date associated with this page. This is often used to indicate when a post was created and can be used for display or sort-order purposes. If not set, this defaults to the last modified time of the page.

Dates in the m/d/y or d-m-y formats are disambiguated by looking at the separator between the various components: if the