Not sure if you’re serious, but the 7-day week as so entrenched that no system that breaks it will see any adoption. Maintaining the 7-day week and the 365 day year is non negotiable for any kind of calendar reform.
But the more reasonable proposal I heard was just to call it New Years Day/Weekend, depending?
Referring to “boaty mcboatface”
The height of tides are rooted in this but have 7 day periods of increasing, decreasing, increasing, decreasing.
I don't know if thats reason enough to continue with it, but possibly part of the history
That’s a lot of tradition to discard.