Power Query Advanced Calendar Function

Add a reusable, analysis-ready date table to Excel or Power BI without rebuilding calendar logic for every project.
Best for
Analysts, BI developers, Power Query learners, and report builders
Anyone who needs consistent fiscal, ISO-week, holiday, or business-day logic
What you get
Ready-to-use M code for a complete calendar table
Fiscal periods, ISO weeks, relative date offsets, holiday flags, and business-day indexes
Options for fiscal-year start and weekend definition
Examples in both Excel and Power BI plus a PDF guide
Why it helps
Standardise date logic across reports, reduce repeated setup work, and start analysis with a professional calendar dimension.