> I looked around for some calendar / date / functions in XSL, 
> but there seems nothing to be in the standard? 

"The standard" is now XSLT 2.0, which has a wide range of calendar and date
functions.

The previous standard, XSLT 1.0, has very little; but there are third party
libraries at www.exslt.org which are built in to a number of 1.0 products.

Michael Kay
http://www.saxonica.com/


Are there any 
> free stylesheets for creating a calendar or so?
> 
> Thank you!
> 
> Best,
> 
> Tom