They're already informal and person-dependent. When does someone wake up when they're on night shift? The problem we have today is that we have mass confusion

They're already informal and person-dependent. When does someone wake up when they're on night shift? The problem we have today is that we have mass confusion as to when common events like meetings are. In a distributed society like ours, it doesn't matter if I wake up at 04:00 or 17:00 but it does matter when the basketball game is or the meeting is or when the company in Lebanon starts. The constraints of our society have changed. People in India work the hours in London. People in Florida work the hours of California, and vice versa. And as we see, we already have countries that span four "natural" time zones and Western China has some ability to adjust.