An entomologist named Geroge Vernon Hudson is credited with proposing Daylight Saving Time (DST) so he could better study his insects. Using the informative website, scholars read a brief introduction to the topic and then explore the...

In this time telling worksheet, students discover how to tell time on a clock after discovering all the parts of a clock and the purposes of the little and big hands.

Focus on how to conjugate Spanish verbs in the preterite. You can use this webpage to inform your own lesson on the preterite, take a day in the computer lab, or flip your classroom and have pupils examine the page for homework. There is...

An illustrated history of timekeeping from ancient times to the present. Includes information on ancient calendars, early clocks, a revolution in timekeeping, world time scales and time zones, and the NIST standards.

The first atomic clock was designed by Louis Essen in 1955. Find out about how it works and how atomic clock technology has developed.

A fascinating Trinity College site which addressed our use of time; there is a historical piece as well as contemporary uses of time in different societies. Those societies which place a high value on the symbol of "time" are compared to...

Brush up on your math skills relating to how to tell time then try some practice problems to test your understanding.

Brush up on your math skills relating to elapsed time then try some practice problems to test your understanding.

Get a visual and animated definition of the analog clock and how to use it from LearnAlberta.ca's Mathematics Glossary.

This site from the U.S. Navy provides a great description of the history and workings of cesium based atomic clocks. Very interesting.

Take a walk through time as Extreme Science explains time starting with ancient calendars and early clocks to how the National Institute of Standards and Technology uses time today.

Here's a solved problem in time dilation. It's still not easy to follow, but it's doable. The math is not difficult, but the mathematical thinking is demanding.

A good mathematical account of what happens to time as you approach c: the speed of light. Also provides a rather a fascinating video (fly through the Lattice) - don't miss it. Take some time and explore this site.

Kids learn about the timing and the clock in basketball. How long is a basketball game.

This site provides a very general overview of astrolabe principles with links to other pages for more detailed information.

The invention of the light bulb quickly created the need to track people's electricity usage. In 1872, Samuel Gardiner built the first simple power meter: a lamp with an attached clock that recorded the time the light was on.