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Latest DSTv18 Timezone Patches Available for E-Business Suite R12

Steven Chan
Senior Director
Hourglass iconIf your E-Business Suite Release 11i or 12 environment is configured to support Daylight Saving Time (DST) or international time zones, it's important to keep your timezone definition files up-to-date. They were last changed in October 2011 and released as DSTv17.  

DSTv18 is now available and certified with Oracle E-Business Suite Release 12. The DSTv18 update includes the timezone information from Olson tzdata 2012c. 

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:

  • Your Oracle E-Business Suite environment is located in the affected country or region OR
  • Your Oracle E-Business Suite environment is located outside the affected country or region but you conduct business or have customers or suppliers in the affected country or region

The latest DSTv18 timezone definition file is cumulative and includes all DST changes released in earlier time zone definition files. DSTv18 includes changes to the following timezones since the DSTv17 release:

  • Africa/Casablanca,
  • America/Bahia,
  • America/Havana,
  • America/Port-au-Prince,
  • America/Santiago,
  • America/Blanc-Sablon,
  • Antarctica/Casey,
  • Antarctica/Davis,
  • Antarctica/Palmer,
  • Asia/Yerevan,
  • Asia/Gaza,
  • Asia/Damascus,
  • Atlantic/Stanley,
  • Europe/Minsk,
  • Pacific/Easter,
  • Pacific/Fiji,
  • Pacific/Fakaofo,
  • Cuba,
  • Chile/Continental,
  • Chile/EasterIsland

What Patches Are Required? In case you haven't been following our previous time zone or Daylight Saving Time (DST)-related articles, international timezone definitions for E-Business Suite environments are captured in a series of patches for the database and application tier servers in your environment. The actual scope and number of patches that need to be applied depend on whether you've applied previous DST or timezone-related patches. Some sysadmins have remarked to me that it generally takes more time to read the various timezone documents than it takes to apply these patches, but your mileage may vary. We've published the following Notes which identify the various components in your E-Business Suite environment that may need DST patches:

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