The new calendar-based time intelligence in DAX isn’t just a cosmetic update — it’s a game-changer for anyone using custom calendars like 4-5-4 retail models. Instead of messy workarounds, you now get clean, readable DAX that just works 🧼✅. Let me explain. Time intelligence in Power BI isn’t new. Most of us already use a calendar (date) table to enable things like YTD, QTD, and MTD. And there are three main calendar types: 🗓 Regular (Gregorian) — January to December 📅 Fiscal — like Microsoft’