Online PHP editor | refs for CY4F7

<?php $date_utc = new DateTime('1895-01-01 05:17:32 UTC'); for($i = 1890; $i <= 1900 ; $i++) { $date = new DateTime( $i. '-01-01T00:00', new DateTimeZone('America/Toronto')); echo $date->format('Y-m-d H:i:s'), PHP_EOL; if($i == 1895) $utc_local = $date->format('U') . PHP_EOL; } if(isset($utc_local)) var_dump($date_utc->format('U') . ' => ' . $utc_local, $date->getTimezone()->getTransitions($utc_local, $utc_local));