When you look at the analogue clock, you can say that the time is 'five to 4'. When you look at the digital clock, you can say that the time is 3:55. On the digital clock, the hour digit is 6 and ...

And they’ll look nice on your nightstand to boot. Whether it has hands or a digital display, a clock should be legible at a glance. The ideal alarm will wake you up without a jarring effect.