Perhaps of interest to some here: David R. Tribble: Proposed Standard C (C0X) Calendar Library Functions. http://david.tribble.com/text/c0xcalendar.html Markus -- Markus G. Kuhn, Computer Laboratory, University of Cambridge, UK Email: mkuhn at acm.org, WWW: <http://www.cl.cam.ac.uk/~mgk25/>