Abbreviations for Roman Day of the Week Names?

Avete omnes!

I have started learning the names of the days of the week in Latin. I was wondering if anyone knows the abbreviations in Latin for these names. I know that “day” in Latin, die, can abbreviated “d.”, but have been unable so far to find a list of abbreviations for the Latin day names.

Persequor

Found them just now at Vicipaedia (should have looked there, but forgot). Here’s the link: http://la.wikipedia.org/wiki/Index_dierum

Persequor

Good find, but I don’t think this calendar is very “classical,” is it?