Github user omalley commented on a diff in the pull request: https://github.com/apache/orc/pull/265#discussion_r186474701 --- Diff: c++/src/Timezone.cc --- @@ -710,7 +710,11 @@ namespace orc { * Get the local timezone. */ const Timezone& getLocalTimezone() { +#ifdef _MSC_VER + return getTimezoneByName("UTC"); --- End diff -- Because there isn't a direct windows equivalent. Here is what Java writes about it- https://docs.oracle.com/javase/8/docs/technotes/guides/troubleshoot/time-zone002.html There is a registry setting, but it uses a non-standard set of names *doh*. The easiest way would be to create a Java jar and run that to determine the local timezone.
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