For the majority of time humanity existed, clocks didn't. Everyone having access to highly accurate clocks synchronized to the same time and using them to coord

For the majority of time humanity existed, clocks didn't. Everyone having access to highly accurate clocks synchronized to the same time and using them to coordinate activities all around the world is quite new. I expect less rigid working styles to increase in popularity for some professions, but there will always be situations where people want to do things at the same time, which is substantially easier if they can agree about what time it is.