They said it couldn't be done. They said it SHOULDN'T be done! But I have here a working 64 bit localtime_r() on a machine with just 32 bits of time_t. Time zones, daylight savings time... it all works. Perl will be Y2038 safe. And yes, I'm going to get it backported to 5.10.The underlying C functions are solid, but I just sort of rammed them down perl's throat because it's 5am. Here's the patch f