Currently, there is no way to format the dates in the timeline headers of the Gantt component.
It would be beneficial if developers do have the option to format the dates or in some way control the content of the header. For example, "Sun 1/06" can be displayed differently, e.g. something along the lines of "Sun Aug 1" or "Sun 01.06", etc.
Currently, the Kendo UI for Angular Gantt component supports the following views:
Please provide a built-in Year view for the widget.