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[Java SE] How to Get the Time Zone Data Version That Is Used by a JRE (Doc ID 1229113.1)

Last updated on JUNE 15, 2023

Applies to:

Java SE JDK and JRE - Version 1.4.2 to 8
Oracle JRockit - Version R27.5 and later
Information in this document applies to any platform.


You would like to determine the time zone data version of your Java Runtime Environment.

Note: the tzdata version that ships in any Oracle JRE is documented in the Update Release Notes. However, the actual version can be different from the version mentioned at the Update Release Notes if the Oracle JRE has been patched using tzupdater.



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In this Document
 Through the Release Notes
 With the TZUpdater
 Without the TZUpdater
 Java SE 1.4.2 to Java SE 7 and JRockit R25-R28
 Linux, Solaris, Mac OS X and OS X
 Microsoft Windows
 Java SE 8
 Linux, Solaris, Mac OS X and OS X

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