$date='2016-11-07 18:55:11';date_default_timezone_set('Asia/Karachi');

$day1=date("Y-m-d h:i:s");

$ry=strtotime(date('Y-m-d H:i:s')) - strtotime($date);

$days= round(abs($ry) / 60,2). " minute";
echo "<script>alert('$days')</script>";