The Timeline of the Telling Time

By tmaggie
  • 5000 BCE

    Early humans use circadian rhythm

  • 3000 BCE

    Egyptians use the obelisk to tell time.

  • 3000 BCE

    Early Greeks and Egyptians design a water clock.

  • 300 BCE

    Babylonians use the sundial to tell time.

  • 1100

    The hourglass used in Europe

  • 1300

    Mechanical clocks representing a 12-hour period in Europe.

  • 1400

    Watches or timepieces portable time. Appeared first in Italy.

  • 1500

    Nicolas Copernicus' philosophy that sun revolves around sun annually and every 24 hours on its own axis