php datetime

check.php

<?php

$datetime = [
	
	['May 11, 2023', 'Europe/London'],
	['June 1, 2023', 'Europe/London'],
	
	];


echo "<pre>"; $out = "";
foreach ($datetime as $dateinfo) {

	echo PHP_EOL;
	echo implode(" ", $dateinfo);
	echo PHP_EOL;

	
	try {
		$dt = date_create_from_format(
			"F j, Y", $dateinfo[0], 
			new DateTimeZone($dateinfo[1])
		);
		//var_dump($dt);
		if ($dt) {
			echo $dt->format('T');
		}
	} catch(Exception $e) {
	echo $e->getMessage();
	}
		

}

http://phptester.net/ php 8.1

May 11, 2023 Europe/London
BST
June 1, 2023 Europe/London
BST