Online PHP editor | refs for kWMdh

<?php date_default_timezone_set('UTC'); $utc = new DateTimeZone('UTC'); $time = DateTime::createFromFormat('Y-m-d H:i:s', '2014-05-19 11:30:00', $utc); foreach (['BST', 'GMT+1', 'CEST'] as $abbr) { $seconds = (new DateTimeZone($abbr))->getOffset($time); $local = clone $time; $time->modify("+{$seconds} seconds"); echo "{$abbr}: {$local->format(DATE_RFC822)}", PHP_EOL; }