What Causes ‘Time Zones’ and How Did They Start?

Imagine the whole world uses the same clock, it would be morning in one place while it's night in another! Time zones were created to make life easier, so people could match their daily routines with the time of day. It all started when a man named Sir Sandford Fleming suggested dividing the Earth into 24 parts, like slices of a pie, each part has its own time.