Alfred wrote:

Gnomon* is an OpenType variable font with a shadow whose location changes according to the time of day.

When does it change?

Does it lock in to a time once in a PDF document or what?

William

I don’t see how it could work dynamically other than on a web page.

Gnomon* is an OpenType variable font with a shadow whose location changes according to the time of day.

When does it change?

Does it lock in to a time once in a PDF document or what?

William

a solution in search of a problem

Yes, indeed!

Very clever! But I can't think of why or when I would want to use it.

A classic case of “a solution in search of a problem”, perhaps?