How to create candidate offer with past start date?

Summary:

We want to create candidate today and start their employment from 5th June 2023. We are unable to select any date prior to 8th June 2023.

Content (required):

We have 20 such employees whose records should be maintained as hired through Recruiting module and want to maintain the start date as past dates. We are unable to do so since, the dates are inactive to select from.

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

23B

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