date t z php code example
Example 1: php default timezone
date_default_timezone_set("Asia/Kolkata");
// List of Supported Timezones https://www.php.net/manual/en/timezones.php
Example 2: date format with t and z php
str_replace('+00:00', '.000Z', gmdate('c', strtotime('2013-05-07 18:56:57')))