Time Throughout the Ages

By Bdubbs
  • 4000 BCE

    sunrise and sunset

    sunrise and sunset
    The first way people told time
  • 3000 BCE

    The Obelisk

    The Obelisk
    This vertical structure was used by the egyptians to tell time. It was a structure with 4 sides as a shadow clock, placing it in the sun would cast a shadow.
  • 300 BCE

    The sundial

    The sundial
    The Babylonians started using a sundial. This flat circle on which a 12 hour face had been written. It had a gnomon which was a vertical marker in the center that would cast a shadow on the hour.
  • 250 BCE

    Space

    Space
    Some people used the stars to tell time. It became very difficult to track on overcast days.
  • 225 BCE

    The Water Clock

    The Water Clock
    The Clepsydra used the flow of water to measure time.