PHP date_default_timezone_set() Function

Set the default timezone:

<?php
date_default_timezone_set("Asia/Bangkok");
echo date_default_timezone_get();
?>

Definition and Usage

The date_default_timezone_set() function sets the default timezone used by all date/time functions in the script.

date_default_timezone_set( timezone)

Parameter	Description
timezone	Required. Specifies the timezone to use, like "UTC" or "Europe/Paris". List of valid timezones: http://www.html.net/manual/en/timezones.html

Return Value:	Returns FALSE if the timezone is not valid. TRUE otherwise
PHP Version:	5.1+
PHP Changelog:	PHP 5.3: Throws an E_WARNING instead of E_STRICT. PHP 5.1.2: Started to validate the timezone parameter.