We announced the certification of the DSTv16 update with E-Business Suite 12 last August. The second part of that certification with EBS 11i is now available. The DSTv16 update includes the timezone information from Olson tzdata 2011g.
Is Your Apps Environment Affected? When a country or region changes DST rules or their time zone definitions, your Oracle E-Business Suite environment will require patching if:
For more details about the timezones affected by the DSTv16 update, see: