The clock has impacted out lives greatly. Back in the day, people used fire as a way to tell time. In ancient China, they would burn ropes, and one knot would be close to a hour. Clocks, let us see time without going through any difficulities such as getting fire, burning a rope, and keeping a charred rope in your house.
Without clocks, we would be clueless of time. Clocks come very useful, when you really need to know what time you need to be at a certain place. The clock has made a huge impact in our lives.