[tz] About the core city of a tz region

Brian Inglis Brian.Inglis at systematicsw.ab.ca
Mon Jul 20 08:09:26 UTC 2015

On 2015-07-19 22:10, David Patte ₯ wrote:
> I am curious about the protocol that tz uses to specify the name of each tz region.
> Is the core city in a region always the most populous city in the tz region?
> And what is done if a smaller city's population overtakes the named city? Is the zone renamed?
> Also, since historical data (pre-1970) is now maintained only for the named city in a region,
> does it not make sense to use the population as of 1970, since the historical records actually
> affected more people at that time?

See file code/Theory section Names of time zone rule files.

Take care. Thanks, Brian Inglis

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