wjones127 commented on a change in pull request #12536:
URL: https://github.com/apache/arrow/pull/12536#discussion_r833518046
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File path: docs/source/cpp/build_system.rst
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@@ -163,3 +163,24 @@ can control the source of each dependency and whether it
is statically or
dynamically linked. See :doc:`/developers/cpp/building` for instructions. Or
alternatively, use Arrow from a package manager such as Conda or vcpkg which
will manage consistent versions of Arrow and its dependencies.
+
+
+Runtime Dependencies
+====================
+
+While Arrow uses the OS-provided timezone database on Linux and Mac OS, it
+requires a user-provided database on Windows. You must download and extract the
+text version of the IANA timezone database and add the Windows timezone mapping
+XML. To download, you can use the following batch script:
+
+.. literalinclude:: ../../../ci/appveyor-cpp-setup.bat
+ :language: cmd
+ :start-after: @rem (Doc section: Download timezone database)
+ :end-before: @rem (Doc section: Download timezone database)
+
+By default, the timezone database will be detected at
``%USERPROFILE%\Downloads\tzdata``,
Review comment:
This is the behavior of the vendored datetime library, not something we
chose. I think it's a fine default for testing and in production applications I
expect users will manually specify a more appropriate path at runtime.
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