$ ./mt-demo.pl
in thread (Europe/Paris): 2009-11-24 23:27:28
in thread (Europe/Moscow): 2009-11-25 01:27:28
in thread (Europe/Paris): 2009-11-24 23:27:28
in thread (Europe/Moscow): 2009-11-25 01:27:28
main (Europe/Paris): Tue Nov 24 23:27:28 2009
main (Europe/Moscow): Wed Nov 25 01:27:28 2009