How Digital Clocks Work

Pink alarm clock on white background displaying 12 PM
Have you ever wondered how digital alarm clocks work? Jena Ardell / Getty Images

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 article, 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!