And while people in London might start work at 21:00, folks in Oxford might start at 20:55 and folks in Norwich might start at 21:02. Time zones aren't just so

And while people in London might start work at 21:00, folks in Oxford might start at 20:55 and folks in Norwich might start at 21:02. Time zones aren't just so everyone on the planet can start work at 09:00 local time. They're also for snapping everyone in a region to a shared time, even if it's a little off from their solar time. Check out the history of railway time for the birth of time zones: https://en.wikipedia.org/wiki/Railway_time https://en.wikipedia.org/wiki/Railway_time