Disable specific date in SharePoint calendar control

Question

 I have a Visual WebPart where I am using SharePoint calendar control. I have a requirement to disable specific date in calendar which user can't select. I have tried many ways but no luck. Can anyone help me please.

 

<SharePoint:DateTimeControl ID="dtDateTimeControl" runat="server" DateOnly="true" />

 

I have list of dates in a array which I want to disable in the calendar .

 

20/08/2020

21/08/2020

22/08/2020

23/08/2020

24/08/2020