The Very Long and Fascinating History of Clocks

"Time is money", so it is said, but the history of clocks is a long and fascinating one In the following article, we'll take a quick tour through the history of clocks and stop off at some key moments Shadow Clocks and Sundials didn't work at night, water clocks were notoriously inaccurate as water flows at different rates depending on the ambient temperature.

Mechanical clocks would quickly prove their worth as being very reliable and were the de facto timepiece until the development of the true pendulum clock in the late 17th Century by Christiaan Huygens Galileo would show a little earlier, in 1581, that pendulums could be used to help keep clocks accurate so long as the pendulum was swinging Despite these advancements, pendulum clocks remained one of the most accurate clock designs well into the 20th Century.

Atomic clocks are far more accurate than any previous timekeeping device, and are used to calibrate other clocks and to calculate the International Atomic Time; a standardized civil. . Source