[tz] New change in Mexico

Deborah Goldsmith goldsmit at apple.com
Tue Nov 29 22:38:45 UTC 2022

Does anyone know the geographical boundary between America/Ciudad_Juarez and America/Ojinaga? Is there some geographical feature like a river that demarcates the boundary between them? The law didn’t say anything about that; it just lists municipalities. Do these municipalities abut each other so we can use those boundaries?


> On Nov 29, 2022, at 10:29 AM, Paul Eggert via tz <tz at iana.org> wrote:
> On 2022-11-29 10:14, Emily Crandall Fleischman wrote:
>> I'm curious if
>> anyone on this list knows why Ojinaga was chosen as the identifier.
> I think it was my lack of understanding of Mexican geography. When we added America/Ojinaga in 2010, its commentary was "Ciudad Juárez y Ojinaga en Chihuahua" and I expect I didn't recognize that as Ciudad Juárez. More recently Mexican announcements have used phrases like "Juárez, Ojinaga, Ascensión, Coyame del Sotol, Guadalupe, Janos, Manuel Benavides y Práxedis G. Guerrero" and again, I expect I didn't recognize that as including Ciudad Juárez as opposed to one of the plain Juárezes which also exist in Mexico.
> Although I also noticed this issue recently, I didn't bring it up on the mailing list for a correction as I was expecting us to need America/Ciudad_Juarez anyway for other reasons, which is what has happened with 2022g.

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