php date hour code example

Example 1: php hour between

$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
}

Example 2: show date php by letters

check here link:   http://www.eltcalendar.com/stuff/datemysqlphp.html