[tz] Preparing to fork tzdb

Philip Paeps philip at trouble.is
Thu Sep 23 04:37:19 UTC 2021

On 2021-09-23 12:29:06 (+0800), dpatte via tz wrote:
> I am aware that montreal was moved to back zone because its post 1970 
> data after research turned out to match toronto.But I have yet to get 
> a clear answer as to whether we can request modifications to backzone 
> records even if they only affect pre1970 clocks, and whether we can 
> add new backzones for regions that differ before 1970. 

Changes are routinely made to backzone, backed up with verifiable 
documentation and commentary.



Philip Paeps
Senior Reality Engineer
Alternative Enterprises

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