Confluence System Time Is Out of Sync
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
Symptoms
Your instance of Confluence's time is out of sync, either one hour ahead or one hour behind your local time.
Cause
You may be using an outdated JDK with an older release of the JRE therein. This is a known issue within Java as Oracle explains in the Timezones, Daylight Savings, and the TZupdater for the Java Runtime Environment (JRE) some versions of the Java SE JRE do not read the platform's timezone data from the local or host operating system (OS), so OS timezone patches will not update the JRE software's timezone data.
Resolution
Please upgrade to the latest version of your Java SE JDK release version that is supported in your version of Confluence.
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