In a recent BI project, I was thinking about dynamic holiday dates 📅 , who updates static tables, and what’s a safe approach for storage and maintenance 🫣 ? A static table from 2020 to 2050 might work, but it’s not always practical. Creating something dynamic can take a bit more time ⏳ , but it provides a resilient solution 💪 for our clients. I finalised a Power Query solution for  hashtag#Greek  holidays that keeps  hashtag#historical  data minimal to 15 years while gener