That only works with some types of work. Anything customer-facing is difficult to change. E.g. you may decide to open/close your restaurant or bakery at differe

That only works with some types of work. Anything customer-facing is difficult to change. E.g. you may decide to open/close your restaurant or bakery at different times. It will probably be a very bad idea. The point of “changing the clock” is that the clock synchronizes all alarm clocks, all contracts, all billboards, al timetables and schedules - so the change updates everything transactionally.