ww@GIG:~$ perl -wle 'print scalar(localtime(20100302165019));'
Wed Dec 31 18:59:59 1969

ww@GIG:~$ perl -wle 'print scalar(localtime(20100302165219));'
Wed Dec 31 18:59:59 1969                               ^

ww@GIG:~$ perl -wle 'print scalar(localtime(20100305165219));'
Wed Dec 31 18:59:59 1969                           ^

ww@GIG:~$ perl -wle 'print scalar(localtime(23100305165219));'
Wed Dec 31 18:59:59 1969                     ^