Display Number of Weeks from Project Start Date instead of Start & Finish Dates in P6
Steps to follow if you want to display number of weeks from the Project Start Date instead of Start & Finish dates in a Primavera P6 schedule layout.
How to show week number columns in a Microsoft Project schedule
Use custom fields to add start date and/or finish date week number columns, e.g. a column to show date in the format “2021 Week 10”, in a Microsoft project schedule