On Mon, Jul 27, 2015 at 9:09 AM, Tim Peters <tim.pet...@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 arithmetic. 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. //Lennart _______________________________________________ Python-Dev mailing list Python-Dev@python.org https://mail.python.org/mailman/listinfo/python-dev Unsubscribe: https://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com