Who maintains the timezone offset table for changes in DST rules?

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Yoel Lax 2018-9-25

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关闭： MATLAB Answer Bot 2021-8-20

I use datetime to convert UTC times to a local time (e.g. "Europe/Paris"). This works for past and future dates. However, every so often, a country changes its daylight savings rules. For example, in 2019 the EU will likely abandon DST altogether.

Who maintains the timezone-offset schedule that's behind datetime?

Will older versions of Matlab be updated (how?) when the DST offsets change? Or will different versions of Matlab produce different results?

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Answer 1

Guillaume 2018-9-25

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Unfortunately, I don't think it's documented, and while you can look at most of the internals of datetime the particular bits related to time zone adjustement end up calling some built in functions in the matlab executable so there's no way to know.

The best way to know for sure is to ask mathworks via a support request.