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<?php $time = new DateTimeImmutable('2016-10-29T00:00:00UTC+00:00'); $londonTimeZone = new DateTimeZone('Europe/London'); $londonTime = $time->setTimezone($londonTimeZone); $notLondonTime = new DateTimeImmutable('2016-10-29T00:00:00UTC+00:00', new DateTimeZone('Europe/London')); var_dump($londonTime, $notLondonTime);
Output for 7.0.0 - 7.0.24, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.16 - 7.3.27, 7.4.0 - 7.4.16, 8.0.0 - 8.0.3
object(DateTimeImmutable)#3 (3) { ["date"]=> string(26) "2016-10-29 01:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(13) "Europe/London" } object(DateTimeImmutable)#4 (3) { ["date"]=> string(26) "2016-10-29 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }