Time throughout the ages

By ngadek
  • Mar 9, 1000

    hourglass

    used in Europe in the 11th century
  • Mar 9, 1300

    first mechanical clocks

    in Europe
  • Mar 9, 1400

    first watches

    in Italy
  • Mar 9, 1500

    heliocentric system

    Copernicus argued the earth operated on a sun-centered system

  • pendulum clocks

    European scientists and inventors discovered the use

  • earth rotates around the sun

  • 24- hour clock system

  • time zones

  • international date line

  • daylight savings