Updating JIRA Date/Time formats externally
Platform Notice: Data Center Only - This article only applies to Atlassian products on the Data Center platform.
Note that this KB was created for the Data Center version of the product. Data Center KBs for non-Data-Center-specific features may also work for Server versions of the product, however they have not been tested. Support for Server* products ended on February 15th 2024. If you are running a Server product, you can visit the Atlassian Server end of support announcement to review your migration options.
*Except Fisheye and Crucible
Summary
Always back up your data before making any database modifications. If possible, test any alter, insert, update, or delete SQL commands on a staging server first.
Solution
Problem
At times when the administrators wish to edit the date/time format externally - not via Administration >> System >> Look and feel - they can do so by using REST API or direct modification to the database.
Resolution
REST API
Send a PUT request to /rest/api/2/application-properties/\{id\}. For example:
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curl -k -D- -u username:password -X PUT --data '{"value" : "HH:mm"}' -H "Content-Type: application/json" <BaseURL>/rest/api/2/application-properties/jira.lf.date.timeℹ️ This will modify the Time Format to HH:mm. The default value is h:mm a
Database query
The following query will return the current date/time formats.
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select pe.entity_name, pe.property_key, ps.propertyvalue from propertyentry pe, propertystring ps where pe.id = ps.id and pe.property_key like '%.date.%'Edit the database accordingly and restart JIRA.
Always back up your data before making any database modifications. If possible, test any alter, insert, update, or delete SQL commands on a staging server first.
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