[tz] Another change on Brazilian DST time

[Rodrigo Brüning Wessler]

Yes, we are still waiting for the oficial presidencial decree about the DST
change.
IATA and ABEAR argue that the DST change will afect 3 millon people that
travel by airplane on affect period.

We had elections in Brazil yesterday, including for president. So all the
attention was on that, may be this week we will have an official decision.

More two sources:
https://veja.abril.com.br/economia/companhias-aereas-reclamam-de-nova-alteracao-no-horario-de-verao/
http://agenciabrasil.ebc.com.br/economia/noticia/2018-10/aereas-dizem-que-mudanca-no-horario-de-verao-vai-prejudicar-passageiro

Em seg, 8 de out de 2018 às 16:02, Matt Johnson <mj1856 at hotmail.com>
escreveu:

> Apparently both IATA and Brazil's own airline industry (ABEAR) are pushing
> back on the government, citing at least three million passengers on 42
> thousand flights will be affected.
>
> Also stated by ABEAR's representative (translated via Google Translate):
> "Short-term changes bring risks to the entire operation of airlines".
>  It's good to see others have realized the risk.  I worry about the back
> and forth though.
>
>
>
> https://www.panrotas.com.br/aviacao/aeroportos/2018/10/iata-ve-troca-no-horario-de-verao-com-profunda-preocupacao_159365.html
>
>
> https://www.panrotas.com.br/aviacao/empresas/2018/10/abear-se-posiciona-contra-a-mudanca-do-horario-de-verao_159323.html
>
>
> http://www.abear.com.br/imprensa/notas-e-releases/mostrar/posicionamento-abear-sobre-mudanca-do-horario-de-verao
>
>
> -Matt
>
>
>
> ------------------------------
> *From:* tz <tz-bounces at iana.org> on behalf of Paul Eggert <
> eggert at cs.ucla.edu>
> *Sent:* Thursday, October 4, 2018 8:37 AM
> *To:* Fábio Gomes
> *Cc:* Time Zone Mailing List
> *Subject:* Re: [tz] Another change on Brazilian DST time
>
> On 10/4/18 4:49 AM, Fábio Gomes wrote:
> >   How long does it takes to update tzdata with this new information?
>
>
> It depends on what you consider an "update". I just now updated the
> development version <https://github.com/eggert/tz> with the attached
> patch, and you can use that now if you like. I'd like to plan for a new
> tzdb release soon after the presidential decree is published (please let
> me know when that happens).
>
>
> > we have a very shourt window to apply this new update.
>
>
> That's unfortunately true. We have a paragraph about this in
> <https://data.iana.org/time-zones/tz-link.html>. Here's how Google
> Translate renders it in Portuguese, and perhaps you can improve this
> translation and send it to Moreira Franco, the minister of Mines and
> Energy, who's supposed to be in charge of DST in Brazil:
>
>
> ---
>
>
> Se o seu governo planeja alterar seus limites de fuso horário ou as
> regras de horário de verão, informe <tz at iana.org> com bastante
> antecedência, pois isso coordenará as atualizações para muitos telefones
> celulares, computadores e outros dispositivos em todo o mundo. Com menos
> de um ano de antecedência, há uma boa chance de que alguns relógios
> baseados em computador operem incorretamente após a alteração, devido a
> atrasos na propagação de atualizações de software e dados. Quanto mais
> curto for o aviso, mais prováveis serão os problemas do relógio; veja
> "Sobre o tempo das mudanças de fuso horário"
> <https://codeofmatt.com/2016/04/23/on-the-timing-of-time-zone-changes/>
> para exemplos.
>
>
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