Thank you contacting Syncfusion support.
You can select the Day Month Year format using the below option provided in the Widgets Data tab.
Please refer the steps:
1)Click on the settings button in the added Date column.
2)Select the more option to select the required Date format.
3)Now select the Day Month year in the shown list.
Now the Widget will be rendered as shown in the below image:
If This is not your requirement, please do provide us more details on your requirement.
Please do let us know if you have any concerns.