Chances are that in your bedroom you have a digital clock beside your bed. Have you ever looked at it in the morning and wondered how it works?

In this edition of HowStuffWorks, you're going to learn exactly how a digital clock (or wristwatch) works. In fact, you're even going to learn how to build your own!

To understand how a digital clock works, you have to get inside and see what's going on. So let's get started!