The DSTv34 timezone upgrade is now available and certified with Oracle E-Business Suite Releases 12.2 and 12.1. Note that DST patches are cumulative and therefore include all previous Oracle DST updates.
Periodically, many countries or regions change their timezone definitions. In addition, and more frequently, they may switch to or from Daylight Saving Time or Summer Time.
If your Oracle E-Business Suite environment is configured to support doing business across multiple timezones, you need to keep your timezone definition files up-to-date by applying patches as described in this article. This will ensure that the times transactions take place are recorded correctly, and thereby meet applicable business and legal requirements.
When a country or region changes its timezone definitions or DST rules, your Oracle E-Business Suite environment will require patching if either of the following is true:
The following are major additions or changes in the DSTv34 timezones definitions compared to the previous release:
The following MOS note identifies the various components in your Oracle E-Business Suite environment that may need DST patches:
Note: Proactive back ports of DST upgrade patches to all Oracle E-Business Suite tiers and platforms are not created and supplied by default. If you need this DST release and an appropriate patch is not currently available, raise a service request through support providing a business case and your version requirements.
If you do business with a country or region that has changed its timezone definitions, and record a transaction that occurs at the boundary between the “old” and the “new” time, then the transaction may be recorded incorrectly. Specifically, that transaction's timestamp may be out by an hour.