Template:Year article header/Julian day/doc

This is a documentation subpage for Template:Year article header/Julian day.
It may contain usage information, categories and other content that is not part of the original template page.

This template employs intricate features of template syntax.

You are encouraged to familiarise yourself with its setup and parser functions before editing the template. If your edit causes unexpected problems, please undo it quickly, as this template may appear on a large number of pages.
You can conduct experiments, and should test all major changes, in either , the general template sandbox, or your user space before changing anything here.

This template is called by Template:Year article header to compute the day of the week for the Julian calendar. For use for years from about 900 BC and later. - value for BC, positive for AD. 0 is not used.