$timestamp = POSIX::strftime("%m/%d/%Y %I:%M %p", localtime(( stat $files)[9])); # or change localtime to gmtime
$size = (stat $files)[7];

##</code><code>##

# Get both pieces of information we need
my ($size, $timestamp) =  ((stat $files)[7, 9]);
# Convert timestamp
$timestamp = POSIX::strftime("%m/%d/%Y %I:%M %p", localtime($timestamp);