Using time.mktime() it appears that on my linux box the valid range is 1902...2038. Is this platform consistent, or, if not, is there a way to determine at runtime the valid range? Thanks. -- Bob van der Poel ** Wynndel, British Columbia, CANADA ** EMAIL: bvdpoel at uniserve.com WWW: http://users.uniserve.com/~bvdpoel