Children use everyday language to talk about time, to compare quantities and to solve problems

Investigate how you can work out what day of the week your birthday will be on next year, and the year after…

Hosts Emily, Matt, and Nick will explore how scientists have adapted to the challenge of working on “Mars Time.”

Michael Downing, author of Spring Forward: The Annual Madness of Daylight Saving Time, explains the reasons behind this semi-annual ritual of moving the clocks forward and back.

Answers to all of your time questions with Andrew Novick of NIST, the National Institute of Standards and Technology.

The 260-day calendar, called a tzolkin, consists of two wheels, a larger one of twenty days and a smaller one with the numbers one through thirteen.

Find the times at which the product of the hours and minutes is equal to the number of degrees between the hands.

What is the first time after midnight that the number you see (with the colon removed) is also a perfect square?