Adding a {{{field|start|input type=datetimepicker|include timezone|default=2024-09-09T19:00:00+02:00}}} produces
Expected Result:
Date is displayed as 19:00:00 CEST or 17:00:00 Z
Actual Result:
Date is displayed as 19:00:00 Z
Version: Page Forms 5.7.2 with MediaWiki 1.39.7