That's one way. You could use "New York time" too. So if I have a meeting with someone in Ohio sf and nyc we can use a micro time zone related to a major city.

That's one way. You could use "New York time" too. So if I have a meeting with someone in Ohio sf and nyc we can use a micro time zone related to a major city. If you were going to create a massive number of time zones, it would make sense to peg them to major cities. So nyc could have a time zone, that's slightly off from Boston and same with sf and la