I didn't see anything in the problem statement about local time

I do not consider "sometimes 8pm to 8pm and sometimes 7pm to 7pm" to be the default definition of "day".

I would have thought that if someone says today without qualification, that means midnight to midnight where he is observing. Even if every day is not the same length. I don't know why you're assuming he wants the date somewhere else in the world.

But yes, any time zone's day could be used by the solution I posted.

In reply to Re^3: epoch reduction by ikegami
in thread epoch reduction by neilwatson

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