Re: [Datetime-SIG] Local time disambiguation proposal

On Thu, Jul 30, 2015 at 1:46 PM, Alexander Walters tritium-list@sdamon.com wrote:

'.is_dst' of one spelling or another is unambiguous;

.. and is "clearly" defined by the POSIX standard as follows:

"A positive or 0 value for tm_isdst shall cause mktime() to presume initially that Daylight Savings Time, respectively, is or is not in effect for the specified time. A negative value for tm_isdst shall cause mktime() to attempt to determine whether Daylight Savings Time is in effect for the specified time." [1]

Call me when you find two people who can agree on what this means.

[1]: http://pubs.opengroup.org/onlinepubs/009695399/functions/mktime.html