Re: Mismapping of Mountain Time

"Kevin Grittner" <Kevin(dot)Grittner(at)wicourts(dot)gov> writes:
> Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> It's not all that separate: per the Olsen database,
>>
>> Link America/Denver US/Mountain
>> Link America/Denver Navajo

> Yeah, it gets complicated, since the State of Arizona ignores
> Daylight Saving Time adjustments. On the other hand, most of
> Arizona is covered by the Navajo Nation, which *does* observe DST.
> Except for some government offices on the reservation. And the Hopi
> Nation goes along with the local state rules, so pay attention. :-/

> So, yeah, Navajo is always the same as most of US/Mountain, but the
> parts in Arizona don't ignore DST like the rest of the state does.

Well, the Arizona rules are described by the America/Phoenix zone,
which we *can* tell apart from America/Denver because there's an
actual behavioral difference. If the user wanted Arizona rules
and selected US/Mountain, that's their mistake not ours.

regards, tom lane