Learn how to create a dedicated Calendar Table in Power BI using DAX instead of relying on the automatic date hierarchy. In this lesson, you'll discover how to use CALENDAR and CALENDARAUTO, build custom week numbers, weekdays, weekends, month names, and date hierarchies, and create a flexible date table that supports fiscal calendars, public holidays, and more meaningful time-based analysis.

This video is part of the Power BI Advanced Course, designed for beginners who want to build a strong foundation in business intelligence and data analytics using Power BI.

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0:00 Introduction
0:39 Understanding Power BI’s Automatic Date Hierarchy
1:40 Why Automatic Date Hierarchies Become Limiting
3:12 How Hierarchies Help with Drill Down Analysis
4:25 Why You Need a Dedicated Calendar Table
5:11 Reusing Existing Calendar Tables
6:38 Creating a Calendar Table with DAX
7:29 Using the CALENDAR Function
8:50 Using CALENDARAUTO for Dynamic Date Ranges
10:14 Calendar Years vs Fiscal Years
11:40 Adding Custom Fields to Your Calendar Table
12:06 Creating Week Numbers
13:51 Creating Weekday Numbers
14:51 Identifying Weekdays vs Weekends
16:02 Using FORMAT for Day & Month Names


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