My Oracle Support Banner

Saratov (Russia) Switch from +03 to +04 on December 2016 - Impact on Oracle RDBMS (Doc ID 2208970.1)

Last updated on JANUARY 14, 2020

Applies to:

Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Cloud Service - Version N/A and later
Oracle Database - Enterprise Edition - Version 10.2.0.5 to 12.1.0.2 [Release 10.2 to 12.1]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Information in this document applies to any platform.

Purpose

 

Saratov, Russia switches from +03 to +04 on 2016-12-04 at 02:00. This hives off a new zone Europe/Saratov from Europe/Volgograd.


The affected timezones are :

Europe/Saratov

For Questions/official statements about the timezone change itself, please contact the Russian Government .

IANA has updated Time Zone Database to reflect this change (tzdata2016j) http://www.iana.org/time-zones



The DSTv28 patch does NOT include this change, since this change was announced after DSTv28 was made. It change will be included in DSTv29


Scope

Anyone who may be using the affected Russian Timezones

The Oracle kernel itself is also not impacted by the OS/system clock changes (or for that matter Oracle DST patches). <Note:1013279.6> How Does Daylight Savings Time Affect The Database Kernel?

Used abbreviations:
TZ: TimeZone
TSTZ: TimeStamp with Time Zone
TSLTZ: TimeStamp with Local Time Zone

Details

To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!


In this Document
Purpose
Scope
Details
  1) The DATE dataype and SYSDATE / SYSTIMESTAMP
 2) Storing data in the TimeStamp with (Local) Time Zone datatype.
 3) TimeStamp with Time Zone columns are used, how do I see if the affected Russian Timezones are stored?
 4) Database timezone , Session timezone and CURRENT_DATE , LOCALTIMESTAMP , CURRENT_TIMESTAMP functions
 5) Oracle DST patches and this change.
 6) The OJVM dst information
 7) Java in the Database home
 8) Other Oracle software (Enterprise Manager , Oracle Applications etc)
 9) Will any data stored in DATE, TIMESTAMP, TIMESTAMP WITH (LOCAL) TIMEZONE columns be affected by changing the server OS timezone?
References

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.