convert one time zone datetime value to another using php
<?php $date = new DateTime('2000-01-01', new DateTimeZone('Pacific/Nauru')); echo $date->format('Y-m-d H:i:sP') . "\n"; $date->setTimezone(new DateTimeZone('Pacific/Chatham')); echo $date->format('Y-m-d H:i:sP') . "\n"; ?> 2000-01-01 00:00:00+12:00 2000-01-01 01:45:00+13:45