display field within a 30 day window of variable date

Summary:

How to auto-populate / display a field on an incident workspace with a variable date from the organization workspace.

Content (required):

Field only needs to show on incident if within 30 days of a date from what it set on date field in org, however it's not a set date, it would be a manually populated and varies per client. Can only find ways to trigger with a set specific date. Any help would be appreciated.

Before & after that 30 day window field does not need to be visible on incident workspace.

Version (include the version you are using, if applicable): 22D