However, you can tell the time without saying am and pm. To do this you can use the 24-hour clock. The 24-hour clock always uses 4 digits. You see this most often on digital clocks. Complete this ...

The 24 Hours exhibition at Milan design ... designer the same task – to design a wall-mounted clock that fits inside a 50-centimetre square box. Wolfond said the aim was to show the scope ...