Ed Hansberry decrees that henceforth, Thursday shall be the first day of the week:
By default, Power BI starts its week on Sunday, but that doesn’t work for every situation. Some companies prefer their week start on Monday, and I recently helped someone that needed their week to start on Thursday. Fortunately, by tweaking your date table in Power Query, you can make this change with no calculations at all.
Click through to see how.