> One Earth Standard Time system for scheduling with different parts of the world That's pretty much what UTC does. The aviation industry does everything in UT

> One Earth Standard Time system for scheduling with different parts of the world That's pretty much what UTC does. The aviation industry does everything in UTC for example, and you convert to local time as required. > one system that is centered on solar noon at one's longitude and is updated daily at solar midnight We have that already, it's called (local) Mean Solar Time.