When building flows in Dataverse, simply adding days to a date won’t cut it—you have to account for weekends and holidays. In this post, we walk through a step-by-step method to accurately calculate a new date X business days after a starting point using a Do Until loop, date functions, and a custom Holidays table. Whether you're setting due dates or automating time-sensitive tasks, this guide will help you build logic that respects your business calendar.