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Day light savings time

Former Member
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We have a landscape for Europe, which is approaching the day light savings switch.

I need help with few questions.

1. Can you share your experience how your systems are being handled for EST/CST/PST or Europe timezone's.

Are you shutting down the SAP and DB for 2 hours 10 mins during switch?

2. On the zOS, we have set the following parameter.

T TIMEZONE=E.02.00   and

SET TIMEZONE CES

is there a automatic setting that takes care of timezone change during day light time switch, so that we dont need to shutdown the LPAR(just restart the SAP and DB)?

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Answers (1)

Answers (1)

Former Member
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Hello Vijay,

I don't think you need to shutdown the system, but note the following :

- Time zones on mainframe can be set on LPAR level only
- It is not possible to set different time zones for different databases running on the same LPAR
- It is required to run database and application servers in the same time zone (see DBA guide)

https://service.sap.com/~sapidb/011000358700000275902011E.PDF


- It is required to have identical time zones for the application servers and SAP system time (see note 198411)
- Time zone can be changed for individual users in SU01 (or by the user
himself)

Links to IBM documentations: http://scn.sap.com/docs/DOC-8237

Regards,

Javier