Clock Timeline

  • 239 BCE

    The Sundial

    The Sundial
    One of the first clocks ever made was the sundial clock, which is believed to be invented by Theodosius of Bithyna.
  • 8 BCE

    The Sandglass

    The Sandglass
    In 8th century AD, the sandglass was invented. It is thought to be invented by a French monk named Liutprand.