Showing posts from August, 2019

How Did They Tell Time Before Clocks?

Lets Examine How Did They Tell Time Before Clocks? Where Did Telling Time Originate? What makes time so important? Who invented the clock and why worldwide exist many various time zones? The very first kind of telling time was the sundial and the earliest sundials are known from the archaeological record are obelisks from almost 5,000 years earlier. Sundials suggest the time by casting a shadow onto a surface. The things that cast the shadow is a stick in the center known as a gnomon. A sound sundial can determine time with exceptional precision, and sundials were used to monitor the efficiency of clocks until the modern period. However, sundials have their limitations too. Undoubtedly they require the sun to shine, They do not work throughout the night when it's dark.  Several devices have been utilized throughout the years to estimate the passage of time. candle lights and sticks of incense that burn down at fairly predictable speeds have been used, in addition to t