Challenge Level

During the third hour after midnight the hands on a clock point in the same direction (so one hand is over the top of the other). At what time, to the nearest second, does this happen?

Challenge Level

On a digital 24 hour clock, at certain times, all the digits are consecutive. How many times like this are there between midnight and 7 a.m.?

Challenge Level

Stuart's watch loses two minutes every hour. Adam's watch gains one minute every hour. Use the information to work out what time (the real time) they arrived at the airport.

Challenge Level

These clocks have been reflected in a mirror. What times do they say?

Challenge Level

Can you put these mixed-up times in order? You could arrange them in a circle.

Challenge Level

On a digital clock showing 24 hour time, over a whole day, how many times does a 5 appear? Is it the same number for a 12 hour clock over a whole day?

Challenge Level

These clocks have only one hand, but can you work out what time they are showing from the information?

Here's a strategy game with lots to explore. Can you find out enough to guarantee a win, no matter what the settings?