Date: Fri, 13 Apr 2001 13:00:19 -0700 (PDT) From: Guy Harris <guy@netapp.com> Message-ID: <200104132000.NAA27507@cranford-fe.eng.netapp.com> | At least as of Digital UNIX 4.0 (that machine runs "Digital UNIX V4.0F | (Rev. 1229)"), they had the Olson code. Older than that... munnari$ ls /etc/zoneinfo Australia GMT+1 GMT+9 GMT-8 GMT6 MET UCT Brazil GMT+10 GMT-0 GMT-9 GMT7 Mexico US CET GMT+11 GMT-1 GMT0 GMT8 NZ UTC Canada GMT+12 GMT-10 GMT1 GMT9 NZ-CHAT Universal Chile GMT+13 GMT-11 GMT10 Greenwich Navajo W-SU Cuba GMT+2 GMT-12 GMT11 Hongkong PRC WET EET GMT+3 GMT-2 GMT12 Iceland Poland Zulu Egypt GMT+4 GMT-3 GMT13 Iran ROC localtime Factory GMT+5 GMT-4 GMT2 Israel ROK sources GB-Eire GMT+6 GMT-5 GMT3 Jamaica Singapore GMT GMT+7 GMT-6 GMT4 Japan SystemV GMT+0 GMT+8 GMT-7 GMT5 Libya Turkey munnari$ ls -l /etc/zoneinfo/GMT -rw-r--r-- 9 root system 54 Jul 25 1995 /etc/zoneinfo/GMT munnari$ man zic | head -20 zic(8) zic(8) NAME zic - Time zone compiler SYNOPSIS /usr/bin/zic [ -d directory ] [ -l localtime ] [ -v ] [ filename ... ] munnari$ uname -a OSF1 munnari.OZ.AU V3.2 148 alpha It goes back a long time, and isn't surprising, as OSF1 is (mostly) a BSDish based system (user level) (with Sys V add ons, rather than the other way). kre