Season 2

Namaste Power BI

Episode 19

Time Intelligence Mastery

⏱ 45:00

Episode Summary

Advanced time intelligence — PARALLELPERIOD, DATESINPERIOD for rolling windows, fiscal year calculations, and building a complete time comparison framework.

This is Episode 19 of the free Namaste Power BI course on DevWithData — covering time intelligence mastery. Watch the video above, then pass the MCQ checkpoint to unlock the next episode and update your Data Readiness Index score.

Key Takeaways

→DATESINPERIOD enables rolling 3/6/12 month calculations
→PARALLELPERIOD shifts the entire period (not just dates) by an interval
→OPENINGBALANCEMONTH/CLOSINGBALANCEMONTH for snapshot-style measures
→Fiscal year support via the third parameter of TOTALYTD

⚠ Common Interview Pitfalls

•Using SAMEPERIODLASTYEAR when you need a rolling calculation
•Not handling partial periods correctly (current month is incomplete)
•Forgetting that time intelligence needs a MARKED date table

Official Reference

Deepen your understanding with official Microsoft documentation.

PL-300 Official Training Course

Microsoft's official instructor-led training for the Power BI Data Analyst certification.

https://learn.microsoft.com/en-us/training/courses/pl-300t00

Power BI Documentation

Complete reference for Power BI Desktop, Power BI Service, and Power BI Embedded.

https://learn.microsoft.com/en-us/power-bi/

Content on DevWithData is original and inspired by official Microsoft resources. The links above point directly to Microsoft Learn — always the authoritative source.

← Ep 18: Filter Context Control

Ep 20: Iterators & Ranking →

Episode Checkpoint

Sign in to attempt the quiz and unlock the next episode.