Different date format in Activity Stream gadget in Jira Data Center

Platform Notice: Data Center Only - This article only applies to Atlassian apps 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

In Activity Stream have different date format. For example, on Jira instance A, we can see format: Sep/22/2022 and on Jira instance B, we can see format: 01/December/2023

Environment

Jira Software Data Center 9.11.3

Diagnosis

Both Jira instances are connected to a different database version.

  • Jira instance A is connected to PostgreSQL 11 (supported) ✔️

  • Jira instance B is connected to PostgreSQL 16 (unsupported)

Cause

According to Jira Supported platforms , PostgreSQL 16 database is not supported in the Jira 9.11 version.

Solution

Downgrade or migrate to supported database version and reconfigure the database connection to the Jira instance.

Updated on April 21, 2026

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