Clocks have changed and evolved massively in the years since they were first invented. The first type of clock to be invented was the Sundial Clock. The sundial clocks displayed the time of the day with the help of the Sun’s shadow and were invented in 160 BCE. The second type of clock invented was the Water Clock. The Water Clock worked by the flow of water (gradually over time) from a bucket with a small hole at the bottom, with the help of markings, people were able to tell what time of the day it was. The Water Clock was invented in the early 325 BCE. The next type of clock to be invented was the Pendulum Clock, which uses a swinging weight as it’s time-keeping element. This element swings back and forth at precise time intervals depending