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Posted to jira@arrow.apache.org by "Will Jones (Jira)" <ji...@apache.org> on 2022/03/28 22:29:00 UTC

[jira] [Created] (ARROW-16054) [Python] Use tzdata timezone database on Windows

Will Jones created ARROW-16054:
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             Summary: [Python] Use tzdata timezone database on Windows
                 Key: ARROW-16054
                 URL: https://issues.apache.org/jira/browse/ARROW-16054
             Project: Apache Arrow
          Issue Type: Improvement
          Components: C++, Python
    Affects Versions: 7.0.0
            Reporter: Will Jones


In ARROW-13168, we enabled setting the path of the text-based database engine at runtime. This allowed R to use the tzdb package for the timezone database, since it uses the text format.

However, it doesn't seem like tzdata Python package ships that text format. They do have [a "compact" text format|https://github.com/python/tzdata/blob/master/src/tzdata/zoneinfo/tzdata.zi], which _might_ be compatible with our vendored date library. Otherwise, we'd likely have to wait for binary format support in https://github.com/HowardHinnant/date/issues/564



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