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Applying the DSTv40 update for the Oracle Database (Doc ID 2904182.1)

Last updated on JUNE 19, 2023

Applies to:

Oracle Database - Enterprise Edition - Version and later
Oracle Database - Standard Edition - Version and later
Information in this document applies to any platform.


RDBMS DSTv40 Patch 34698179 32327201 32327201 32327201 32327201 32327201 32327201 3232720132327201 32327201 32327201 32327201 32327201 32327201 32327201 32327201 32327201 32327201 32327
and OJVM DSTv40 Patch 34699616 are proactively done for all supported versions and platforms

There are no "PSU DST patches", for example, an Oracle DST patch for can be applied using Opatch on *any* PSU (same goes for any other Oracle RDBMS version)

Note that customers with a valid Extended Support can download the backports to versions that are NOT in Premier Support.
Exceptions for another version/platform combinations are only possible for customers with an existing Extended Support contract for the specific version/platform combination or platforms with an Extended Support Fee Waiver Period.

Please log a SR if you need a backport to such a platform/version (if you need several, log 1 SR clearly stating which version/platforms you have an Extended Support contract for and need ).
See Note 412160.1, section "G) For what versions are DST patches provided / there is no DST version X for my Oracle RDBMS version?"

Please consult your Sales representative to enroll for an Extended Support contract if required.

If you log a SR requesting a backport or the password for versions in Extended Support and there is no Extended Support contract in place the patch cannot be provided. 

The RDBMS DSTv40 update includes the timezone information from the IANA ( ) data  tzdata2022e.tar.gz, TZDATA2022E.tar.gz and contains all previous Oracle RDBMS DST updates.

A complete overview of timezone updates is found in Note 412160.1 Updated DST Transitions and New Time Zones in Oracle RDBMS and OJVM Time Zone File Patches.

 The changes included in the DSTv40 patch (and not included in DSTv40) are listed below  

Changes included in TZDATA2022E & TZDATA2022D


Jordan and Syria are abandoning the DST regime and are changing to permanent +03, so they will not fall back from +03 to +02 on 2022-10-28.


Palestine now springs forward and fall back at 02:00 on the first Saturday on or after March 24 and October 24, respectively.


 This note will give an overview of what checks needs to be performed before applying the DSTv40 update.

 Note that all DST patches are always cumulative, which means they contain also ALL the previous DST changes/corrections. 

Please note that SYSDATE is NOT affected by "Oracle DST patches" seen as SYSDATE is purely depending on the OS to get the time. So even an "unpatched database" will return a correct SYSDATE if the server (OS) time is correct.

For "sysdate" you do not need any DST patch  note 1627439.1 How to diagnose the wrong time ( SYSDATE and SYSTIMESTAMP) after DST change, server reboot, database restart, or installation when connecting to a database on a Unix server

For more information about Timestamp with (local) Time Zone please check Note 340512.1 Timestamps & time zones - Frequently Asked Questions



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In this Document
 1) What is my current installed RDBMS DST version?
 1.a) for Oracle RDBMS 11gR2 and higher
 1.b) For Oracle RDBMS 10g and 11gR1:
 2) Oracle RDBMS 12c : Applying the RDBMS DSTv40 patch 34698179 on Oracle RDBMS 12c ( , , , 18.x, 19.x and 21.x )
 2.a) Applying the RDBMS DSTv40 patch 34698179on the server-side in Oracle RDBMS 12c and above
 2.b) Applying the RDBMS DSTv40 patch 34698179on the client side in Oracle RDBMS 12c.
 3) Oracle RDBMS 11gR2 : Applying the RDBMS DSTv40 patch34698179on Oracle RDBMS 11gR2 ( , , or
 3.a) Applying the RDBMS DSTv40 patch34698179on the server side in Oracle RDBMS 11gR2
 3.b) Applying the RDBMS DSTv40 patch 34698179on the client-side in Oracle RDBMS 11gR2.
 4) 10g and 11.1 only: 
 5) The OJVM DSTv40 patch 34699616.
  6) Other Oracle products:
 6.a) Enterprise Manager (Grid Control, OMS, Repository and Agents )
 6.b) Grid Infrastructure home.
 6.c) Oracle Applications
 6.d) Java in the Database home
 6.e) Oracle solaris

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