Clock time is an important part of our daily lives. These are 5 interesting facts about clocks:
1- Clocks have been used for navigation for centuries. 2- The first clock was built in China in the 6th century. 3- The modern-day clock was invented in the 16th century. 4- The first clock to use electricity was built in 1881. 5- The first digital clock was built in 1969.