On 24 Sep 2015 01:21, "Tim Peters" <tim.pet...@gmail.com> wrote:
> > Guido's reply gave a clearer invariant: > > dt.timestamp() == > dt.astimezone(utc).timestamp() == > dt.astimezone(<any other tz>).timestamp() > > That's the key point. If the timestamps are equivalent, then it > follows that conversions to UTC are equivalent (UTC calendar notation > is just another way to spell a POSIX timestamp), and so also that > conversions back from UTC are equivalent. Thanks for the additional clarifications all, I'm confident I understand now :) Might it be worth mentioning Guido's invariant in the section of the PEP about the timestamp method? Cheers, Nick.
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