Where to hold Custom Date columns in Worksheet

Summary:

Since there are no User Defined columns to hold date, can somebody pls suggest where to hold them ? We don't want to enable additional components as those components will appear in the delivered reports.

Content (required):

Had referred earlier post which refers to an IDea Lab requirement for enabling custom Date columns , however we need to know how to handle it in the worksheet

Version (include the version you are using, if applicable):

22C

Code Snippet (add any code snippets that support your topic, if applicable):