Description
The <time> tag can be added in Confluence like a macro.
<ac:task>
<ac:task-id>2</ac:task-id>
<ac:task-status>incomplete</ac:task-status>
<ac:task-body><span class="placeholder-inline-tasks">Task 1 for <ac:link><ri:user ri:userkey="8a7f808975231346017531757d5b0311" /></ac:link><time datetime="2021-04-15" /></span></ac:task-body>
</ac:task>