[Contributing Author: Robert Farrington]
Two new timezone definition files, DSTv32 and DSTv31, are 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 two new patches are differentiated as follows:
The following MOS Note identifies the various components in your Oracle E-Business Suite environment that may need DST patches:
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.