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Five interesting facts about clocks

March 4, 2019 GMT

Pendulum clock brought progress

With the invention of the pendulum clock in 1656, Christiaan Huygens increased the best accuracy of clocks from 15 minutes deviation a day to around 15 seconds a day.

A knock served as alarm clock

Before alarm clocks, there was a profession called a knocker-upper who would go around and knock on your door until you woke up.

Trains brought standardized time

In the United States, time zones as we know them were first established by the railroad industry during 1883. Before that, every town kept its own time based on the sunrise and using a central clock. This made scheduling trains nearly impossible, necessitating a standardized time.


Internet time most accurate

An institute in Colorado created a clock so accurate it won’t lose/gain a second in 20 million years. This is the clock used for internet time.

The truth about Big Ben

The Big Ben is the name of the largest of the five bells which hang within the clock and not the name of the landmark clock.