[Datetime-SIG] Are there any "correct" implementations of tzinfo?

Ethan Furman ethan at stoneleaf.us
Sat Sep 12 21:38:10 CEST 2015


On 09/12/2015 12:16 PM, random832 at fastmail.com wrote:

> If there is a "fall back" transition tonight, then adding a day to a
> time of 12 noon today could end up as:
>
> 12 noon tomorrow, offset still DST.
> 12 noon tomorrow, offset in standard time, 25 hours from now in real
> time.
> 11 AM tomorrow, offset in standard time, 24 hours from now in real time

I believe option 2 is the intended semantics.

--
~Ethan~


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