Download a 12 sided calendar Download a dodecahedral calendar. You may choose between PostScript and PDF format. Choose PostScript format if you want to mark holidays and birthdays. The PostScript file explains how to do it. *) Week numbering follows ISO 8601 **) PostScript software is available from https://www.cs.wisc.edu/~ghost/. PDF software is available from PDFreaders.org. Calendar on a regu