mountain timezone php code example

Example 1: Pacific Daylight Time Zone php

date_default_timezone_set('America/Los_Angeles'); // or wherever you are

$time = time();

if ($time >= strtotime("Second Sunday March 0")  && $time < strtotime("First Sunday November 0")) 
{

    echo date('m/d/y h:i a', $time);

} else {

    echo date('m/d/y h:i a', $time);

}

Example 2: how to get the list of available timezones in php

//To Get the list of timezones available in php
//use the static function listIdentifiers() on DateTimeZone class
$list = DateTimeZone::listIdentifiers();
print_r($list)