So basically in order to coordinate activities across time zones (rare), you give up having a common rough time system for waking, eating, shopping, etc. And as

So basically in order to coordinate activities across time zones (rare), you give up having a common rough time system for waking, eating, shopping, etc. And as you said, users can “look up” their time relative to the normal on a website, which means that now people have time zones, just without any of the benefits.