In a linux system timezones are defined under the directory “/usr/share/zoneinfo/”. [email protected]:~# cd /usr/share/zoneinfo/ [email protected]:/usr/share/zoneinfo# ls Africa Asia Canada Cuba EST Factory GMT0 Hongkong Iran Japan localtime MST7MDT Pacific posixrules ROC Turkey UTC zone.tab America Atlantic CET EET EST5EDT GB GMT-0 HST iso3166.tab Kwajalein MET Navajo Poland PRC ROK UCT WET Zulu Antarctica Australia …