Time is not displaying correctly after changing the timezone preference from Australia to BangkokIssue ProblemThe time does not display correctly after changing the timezone preference from Australia to Bangkok. Steps to reproduce Go to user preferenceChange the timezone to 'Bangkok, Hanoi, Jakarta'Go to portal and open any record with dates and observe the time is not correctReleaseGenericCauseRoot Cause1. The timezone configured in the user preferences was a custom value ('Bangkok, Hanoi, Jakarta') instead of the standard 'Asia/Bangkok' timezone, which is required for proper time display.ResolutionSteps to Resolve1. Navigate to System Properties > Basic configuration.2. Locate the entry 'System timezone for all users unless overridden in the user's record' and click 'Configure available time zones'.3. Select the value 'Asia/Bangkok' from the available bucket and move it to the Selected bucket.4. Save the record.5. For affected users, update their timezone preference to 'Asia/Bangkok' and save the record.6. Verify that the time now displays correctly in the portal.