Timeline of the various ways people have told time throughout the ages By StudentFirstName30872 4000 BCE Using Stars and Constellations 4000 BCE Using Nature - Seasons and Events 3000 BCE Obelisk 600 BCE Water Clocks 300 BCE Sundial 300 BCE Clocks with gears and escapements 520 Candle Clock Jan 10, 600 Incense clocks Jan 10, 1100 Hourglass Jan 10, 1637 Pendulum clock conceived by Galileo Galilei Jan 10, 1761 Chronometer Jan 10, 1927 Quartz clock Jan 10, 1930 Atomic Clock Jan 10, 1960 Wrist watch
