--TEST--
Checking whisky time
--FILE--
<?php
    date_default_timezone_set('UTC');
    var_dump(date('H:i:s', strtotime('back of 7')));
    var_dump(date('H:i:s', strtotime('front of 7')));
    var_dump(date('H:i:s', strtotime('back of 19')));
    var_dump(date('H:i:s', strtotime('front of 19')));
?>
--EXPECT--
string(8) "07:15:00"
string(8) "06:45:00"
string(8) "19:15:00"
string(8) "18:45:00"