Remember the timezones.xml used by any Niagara AX host (JACE) is the one in its own !lib folder, so to change it you typically edit a local copy (on your Workbench PC) and then transfer this file to that location on the remote JACE, using the platform view File Transfer Client.
The following is a quick summary of how to do this using Workbench:
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In the Workbench nav tree, expand My File System and then Sys Home, lib folder.
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In the lib folder, double-click
timezones.xmlto open it in the Text File Editor. -
Make whatever changes are needed in the time zone(s) you will pick from, and click the Save tool
when done.
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In Workbench, open a platform connection to the target JACE, and select the File Transfer Client.
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In the File Transfer Client, open both (left and right) sides to list files in the
!libfolder. -
Transfer your locally edited
timezones.xml(left side) to the JACE on the right. A"Replace File?"popup dialog will appear, showing a different CRC value. Click to transfer the file.
The time zone database is now updated in the JACE.
Any change to timezones.xml is not effective until after the station is restarted.