$hourdiff = round((strtotime($time1) - strtotime($time2))/3600, 1);
date_default_timezone_set("Africa/Johannesburg");
$now = new DateTime();
$future_date = new DateTime('2020-10-21 00:00:00');
$interval = $future_date->diff($now);
echo ($interval->format("%a") * 24) + $interval->format("%h"). " hours". $interval->format(" %i minutes ");
print_r($now->format('Y-m-d H:i:s'));
$currentTime = (new DateTime('01:00'))->modify('+1 day');
$startTime = new DateTime('22:00');
$endTime = (new DateTime('07:00'))->modify('+1 day');
if ($currentTime >= $startTime && $currentTime <= $endTime) {
// Do something
}