When I read your reply to fglock I thought: How about implementing your own functions? You won't have to depend on anything preinstalled on the client then. At least calculating a number from any date is not so difficult. The way back is a bit more complicated but not unsolvable. I did that more than once for my faithful FX-602P (a programmable pocket calculator) and for (Turbo-)Pascal ages ago. Maybe I have the source somewhere or can recreate it from mind if you're interested.

In reply to Re: Windows, Time::Local and dates before the epoch by Skeeve
in thread Windows, Time::Local and dates before the epoch by barbie

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