[tz] [PATCH 2/4] Move obsolescent Americas entries to'backward'. [Scanned]

Goudge, Stephen stephen.goudge at petards.com
Wed Aug 28 11:34:51 UTC 2013

Lester Caine wrote
> Stephen Colebourne wrote:
> > Also, times before 1970 do matter. Whether you are certain or
> > uncertain of the data is less important than not changing the data. In
> > essence the TZDB has become the definition of what time was,
> > irrespective of whether it is accurate or not. As such, history should
> > only be changed if it is demonstratable that the original data was
> > wrong.
> Seconded!
> One of my main problems has been getting a reliable base for historic
> material.
> Many systems simply ignore dates prior to 1970, but a large number of us
> are using genealogical databases and need to know that we are working
> with the same numbers.

I also value the pre-1970 data; although I can't claim an impressive user-base for my particular programs, there may well be a fair few projects out there that are quietly making good use of that data.


Stephen Goudge
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