On 10/05/2018 13:12, Vlad Khorsun via Firebird-devel wrote:
>
>   I guess the question is about the case when users have historical data
> and need to apply old time zone rule to the old data and new timezone
> rule
> to the new data.
>
>   Is it possible\make sence to add a datetime field with "valid from"
> mark ? Or something like that, some kind of version mark.
>
I really don't understood what you mean.

Please give more practical example.


Adriano


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