Skip to main content

The history of keeping time - Karen Mensing

242,107 Views

9,405 Questions Answered

TEDEd Animation

Let’s Begin…

Where did time-telling come from? What are time zones and why are there so many of them? Get the answers to these questions and more in this journey through the history of time -- from sundials to hourglasses to modern clocks.

The origin of the hourglass is uncertain although beginning in the 14th century it was especially common to see the hourglass used:

About TED-Ed Animations

TED-Ed Animations feature the words and ideas of educators brought to life by professional animators. Are you an educator or animator interested in creating a TED-Ed Animation? Nominate yourself here »

Meet The Creators

  • Animator Avi Ofer
  • Educator Karen Mensing
  • Narrator Karen Mensing

More from Inventions that Shape History