Skip to main content

The history of keeping time - Karen Mensing

244,481 Views

9,429 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.

Do you think time zones are necessary? Couldn’t we just adjust to the differences in other parts of the country or world? Why or why not?

Sign in to answer question

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