In the Vinony graph
It is catalogued under topics including Calendar navigational boxes and Islam navigational boxes.
Its subject is documented across 43 Wikipedia language editions.
~1 min read
Encyclopedic overview
Template documentation
This template's initial visibility currently defaults to autocollapse, meaning that if there is another collapsible item on the page (a navbox, sidebar, or table with the collapsible attribute), it is hidden apart from its title bar; if not, it is fully visible.
Excerpted from Wikipedia’s “Template:Islamic months” article, available under the CC BY-SA 4.0 licence.