# Oracle time zone file autoupgrade
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With the `TIMEZONE_FILE_AUTOUPGRADE` option, you can upgrade the current time zone file to the latest version on your RDS for Oracle DB instance.

**Topics**
+ [Overview of Oracle time zone files](Appendix.Oracle.Options.Timezone-file-autoupgrade.tz-overview.md)
+ [Strategies for updating your time zone file](Appendix.Oracle.Options.Timezone-file-autoupgrade.strategies.md)
+ [Downtime during the time zone file update](Appendix.Oracle.Options.Timezone-file-autoupgrade.considerations.md)
+ [Preparing to update the time zone file](Appendix.Oracle.Options.Timezone-file-autoupgrade.preparing.md)
+ [Adding the time zone file autoupgrade option](Appendix.Oracle.Options.Timezone-file-autoupgrade.adding.md)
+ [Checking your data after the update of the time zone file](Appendix.Oracle.Options.Timezone-file-autoupgrade.checking.md)