PHP Y2K38 Bug :furthest date can be stored is on 19 January 2038 ?

$date = '2040-02-01';
$format = 'l d F Y H:i';
$mydate1 = strtotime($date);
echo date($format, $mydate1);

If you’re seeing a date in the late 60’s or early 70’s ,your php affected by Y2K38 Bug.

alternative solution:

Use DateTime class in PHP version 5.2.

$mydate2 = new DateTime($date);
$mydate2->format($format),