FromSundialstoMulti-functionalWatches
Itwasprobablyaround3,000yearsagothatpeoplefirstbeganinventingwaystohelpthemselvesmeasurethetime.Havingobservedthatshadowmovearoundtreesasthesunmovesacrossthesky,someonedrewacircleandputastickinthecenter.Asthesunpassedoverhead,hemarkedevendivisiononthecircleastheshadowofthestickcrossedit.