Timekeeping is the follow of measuring and recording the passage of time. The shadow solid by a easy stick or obelisk allowed historic folks to maintain time by observing the motion of the solar. Because the solar strikes throughout the sky, the shadow solid by a vertical object will change in size and path. By marking the place of the shadow at common intervals, historic folks may create a sundial, which may very well be used to inform the time of day.
Sundials had been one of many earliest types of timekeeping gadgets, and so they had been used for hundreds of years earlier than the event of mechanical clocks. Sundials are nonetheless used right now as a solution to educate kids in regards to the motion of the solar and the passage of time.
