IBM Sterling Transformation Extender

Sterling Transformation Extender

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ADJUSTTIMZONE function does it convert day light savings time automatically when populating the output.

  • 1.  ADJUSTTIMZONE function does it convert day light savings time automatically when populating the output.

    Posted 02/03/26 11:37 PM

    ADJUSTTIMZONE function does it convert day light savings time automatically when populating the output.

    =FROMDATETIME(ADJUSTTIMEZONE ( Date:Record:input, "America/Los_Angeles" , "{CCYY-MM-DD HH24:MM}"))

    Input = 2026-05-01 20:02

    Current output = 2026-05-01 06:32

    Expected output = 2026-05-01 07:32 

    Any insights on this is much appreciated or is there any way to achieve with day light saving timings.

    Thanks 

    Samba



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    SAMBASIVA RAO Jilludumudi
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  • 2.  RE: ADJUSTTIMZONE function does it convert day light savings time automatically when populating the output.

    Posted 02/04/26 02:44 PM

    Yes, that is a documented limitation of the ITX date adjustment functions. When working on those functions several years ago we collaborated with two of our world-wide logistics customers and determined that the  ever evolving/changing rules for determining DST adjustments really required an outside (REST API) call to a utility outside of ITX. From a practical implementation perspective it was agreed that users would want to call their choice of such open-source APIs from ITX when they were needed.



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    Stephanie Fetzer
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