Ajaarvestussüsteemide
Ajaarvestussüsteemide refers to timekeeping systems. These systems are essential for organizing and coordinating activities, from daily schedules to scientific measurements and historical records. Historically, human societies developed various methods to track time, often based on celestial observations. The movement of the sun, moon, and stars provided a natural framework for creating calendars and defining units of time like days, months, and years. Early sundials and water clocks were among the first mechanical devices used for timekeeping.
As technology advanced, more precise instruments were developed, leading to the invention of mechanical clocks and