Php/docs/timezones
From Get docs
List of Supported Timezones
Table of Contents
Here you'll find the complete list of timezones supported by PHP, which are meant to be used with e.g. date_default_timezone_set().
Caution The behavior of timezones not listed here is undefined.
Note:
The latest version of the timezone database can beinstalled via PECL's » timezonedb.
Note:
This list is based upon the timezone database version 2020.4.