Latest DSTv11 Timezone Patches Available for E-Business Suite

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For reasons mysterious to me, world governments apparently like to change their timezones on a regular basis.  If your E-Business Suite Release 11i or 12 environment has been configured to support Daylight Saving Time (DST) or international time zones, it's important that you keep your timezone definition files up-to-date.  They were last changed in February 2009, and they've been updated once again:  DSTv11 is now available and certified with the E-Business Suite.

Is Your 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.

We last discussed the DSTv10 patches on this blog.  The latest "DSTv11" timezone definition file is cumulative and includes all DST changes released in earlier time zone definitions.  DSTv11 includes changes to the following timezones since the DSTv10 release:

  • Africa/Cairo
    Africa/Casablanca
    Africa/Tunis
    America/Adak
    America/Anchorage
    America/Argentina/Cordoba
    America/Argentina/Jujuy
    America/Argentina/Mendoza
    America/Argentina/Salta
    America/Argentina/San_Luis
    America/Atka
    America/Bogota
    America/Cordoba
    America/Eirunepe
    America/Havana
    America/Jujuy
    America/Juneau
    America/Lima
    America/Managua
    America/Mendoza
    America/Miquelon
    America/Nome
    America/Noronha
    America/Porto_Acre
    America/Resolute
    America/Rio_Branco
    America/Rosario
    America/Santiago
    America/Thule
    America/Yakutat
    Antarctica/Palmer
    Asia/Amman
    Asia/Baghdad
    Asia/Baku
    Asia/Choibalsan
    Asia/Damascus
    Asia/Gaza
    Asia/Hovd
    Asia/Istanbul
    Asia/Karachi
    Asia/Novosibirsk
    Asia/Samarkand
    Asia/Tashkent
    Asia/Ulaanbaatar
    Asia/Ulan_Bator
    Brazil/Acre
    Brazil/DeNoronha
    Chile/Continental
    Chile/EasterIsland
    Cuba
    Egypt
    Europe/Chisinau
    Europe/Istanbul
    Europe/Kaliningrad
    Europe/Kiev
    Europe/Samara
    Europe/Simferopol
    Europe/Tiraspol
    Europe/Vienna
    Europe/Warsaw
    Indian/Mauritius
    Pacific/Easter
    Poland
    Turkey
    US/Alaska
    US/Aleutian

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:

What Have Your Experiences Been?

DST patching was a hot topic a few years ago, so much so that we convened some emergency web-based seminars for customers to clarify out the requirements for E-Business Suite environments. Since then, it seems like time zone patching has become more predictable and better-documented, and I haven't heard about any recent customer escalations in this area. I'd be interested in hearing about your experiences lately in keeping your Apps environment up-to-date with time zone patches; feel free to drop me an email or post a comment here with your thoughts.

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