Why does 1 hour have 60 minutes, 1 minute has 60 seconds and 1 day has 24 hours?
Today, 60 minutes a day with 24 hours or 1 hour is a very normal convention that everyone knows.Alarm clock history
Alarm clock is a clock designed to create a loud sound at a particular time.Discover methods of measuring time
The idea of measuring time only appeared about 5,000-6,000 years ago when people began settling down and building civilizations. Before that, time was divided into two concepts,