"An investigation into the evolution of the seven-day week and how our attachment to its rhythms influences how we live. We take the seven-day week for granted, rarely asking what anchors it or what it does to us. Yet weeks are not dictated by the natural order. They are, in fact, entirely artificial -- a quintessentially modern cycle with an ancient pedigree. With meticulous archival research that draws on a wide array of sources -- including newspapers,...

What would life be like with no clocks and no calendars? How would you know when to get up in the morning? Long, long ago, all people could do was watch the sun and moon and try to figure things out. Eventually, they made simple clocks like sundials.

Simple text and photographs introduce basic mathematical concepts in time. Includes online content that contains weblinks, audio and video clips, activities, and other features.

This book explains the lengths of various time units in child-centered terms and shows three friends celebrating their joys and accomplishments.

"This picture book offers explanations of how to tell time, the difference between digital and analog time and AM and PM"--

Describes the concept of time and how it has been measured throughout history, using water clocks, sundials, calendars, and atomic vibrations. Time to read a book. Time to wash dishes. Time to do this or that. You say things like this every day, all the time. But there was a time when time itself was undefined-no one knew the difference between a minute, an hour, or a day. Then people started creating tools to measure time. First they used the big...

In today's world, kids need to know how to tell time quickly and accurately by using both digital and traditional (analog) clocks. Now, it's a breeze with the help of Timothy Time and his friends. Teaches kids the parts of an analog clock; telling time to the hour, the half hour, the quarter hour; practice counting by fives; telling time to five minutes and the exact minute; digital clocks and stopwatches; calendars, days of the week, months of the...

"Infographics: Every Second Counts covers the timing of sports, including: timing of each sport, speed and velocity, and how shaving off time can win the game. Uses engaging infographics to break down the STEM concepts behind a range of popular sports for developing readers"--

Simple text and photographs introduce concepts related to time and how we measure it.

"Real-world examples and engaging activities guide readers in learning about measuring time from an analog and digital clock using a.m. and p.m. Readers practice selecting appropriate measuring tools and units of measurement, converting between units, and solving problems by measuring"--Provided by publisher.