Online PHP editor | output for LTMk8

<?php $fromDate = '26-1-2020'; $fromHours = '09'; $fromMins = '00'; $subtractHours = '1'; // don't bother with 3600 precalculation $subtractMins = '0'; $format = 'Y-m-d H:i:s'; $date = DateTime::createFromFormat('d-m-Y H:i:s', "{$fromDate} {$fromHours}:{$fromMins}:00"); $date->sub(new DateInterval("PT{$subtractHours}H{$subtractMins}M")); echo $date->format('Y-m-d H:i');