[Python-Dev] Status on PEP-431 Timezones

Lennart Regebro regebro at gmail.com
Mon Jul 27 09:32:43 CEST 2015

On Mon, Jul 27, 2015 at 9:09 AM, Tim Peters <tim.peters at gmail.com> wrote:
> It's an instance of single-timezone datetime arithmetic, of the
> datetime + timedelta form.

No, because in that case it would always move 24 hours, and it
doesn't. It sometimes moves 23 hours or 25 hours, when crossing a DST
border. That is a calendar operation, in the disguise of a datetime

But this discussion is now moot, if we can't change this, then we
can't change this, and PEP431 is dead. The only reasonable way out if
this mess is a completely new module for dates and times that doesn't
make these kind of fundamental mistakes. I sincerely doubt I have the
time to implement that this decade.


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