[tz] South America / Brazil / Brasilia GMT(-3:00) in the timezone database

Paul Eggert eggert at cs.ucla.edu
Tue Mar 5 19:40:36 UTC 2019

On 3/5/19 1:49 AM, rhiccarddo rcd wrote:
> If the "normally" parameter used to define which city will serve as a
> reference for the time zone within the operating system is that of the
> most populous city, I ask: Why are there only seven locations randomly
> registered between cities and states

They're not random; each location represents a region whose clocks have
agreed since 1970, and there are several such regions in Brazil, each
with a distinct history. For more, please see:


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