How Did People Tell Time Before Clocks?

Before clocks controlled the day, how did anyone know what time it was, or when to show up? In this video, we follow time itself: from sunlight and shadows to seasonal hours, sundials and water clocks, then town bells and the first mechanical clocks, and finally the railways that made whole countries agree on one time. In this video: • How people lived by daylight, not by the hour • Why an hour used to change length through the year • How sundials and water clocks worked • How church bells coordinated whole towns • Why railways made shared time necessary If you've ever looked at something ordinary and wondered, how come? Subscribe to HOW COME, and we'll find out together. Comment below: what's one thing in your day you couldn't do without a clock? HOW COME. The hidden reasons behind ordinary life. #HowCome #HistoryOfTime #Clocks