Conversation

@clew I have no idea? Is that true? I would have thought it was airlines, but I know nothing about timezone history. But I guess you're right: apparently the idea that it's "the same time" in a region was introduced because of the railway. Before that, every single point just said it was noon when the sun was at the zenith, haha.
https://en.wikipedia.org/wiki/Time_zone#Railway_time