Hours are a unit of time that help us measure and organize our daily activities. One hour is equal to 60 minutes, and there are 24 hours in a day. Hours are commonly used in schedules, such as work hours, school hours, and appointment times, allowing people to plan their routines effectively. The concept of hours has been used for centuries, with various cultures developing their own systems for tracking time. The clock is a common tool for measuring hours, displaying them in a circular format with hour and minute hands. Understanding hours is essential for managing time and coordinating with others.