1,529,649,969 served.

A global movement in 180+ countries.

30,567 events registered in 2022.

Legend
Hour of Code Event
Special Event
A full list of the events can be viewed on the events page.

Join us

Hour of Code is available year-round, but every year in December your class can join millions of students around the world celebrating Computer Science Education Week with the Hour of Code. Registration for the annual celebration starts each year in October.

Join us

Thanks for signing up!

Organize an Hour of Code during December 5-11, and register it here.

We will put your school name and city on the map when you register. If you're hosting multiple events, please submit a unique name or email for each one. We only count one event per name and email combination.

What is the Hour of Code?

One-hour tutorials in over 45 languages. No experience needed. Hour of Code activities are available for free year-round.

The Hour of Code is a one-hour introduction to computer science, using fun tutorials to show that anybody can learn the basics. This grassroots campaign is supported by over 400 partners and 200,000 educators worldwide.

Read our How-to guide to plan an event for your class.

Hour of Code Highlights

Prime Minister Justin Trudeau codes a game

Canadian Prime Minister Justin Trudeau coded a simple game featuring his favorite sport.

Watch the video

Brooklyn beats Chicago

After an epic battle, 80% of Brooklyn schools did the Hour of Code vs. 60% in Chicago. Not bad!

Read more

Push yourself

Champions and gold medalists Serena Williams, Neymar Jr, Carmelo Anthony and more inspire students to push themselves.

Watch the video

Nobel Peace Prize winner Malala

"Every girl deserves to take part in creating the technology that'll change our world, and change who runs it."

Watch the video
See more highlights
Students are learning in over 45 languages
Over 100M students have tried an Hour of Code
During the Hour of Code, female students make up 50% of all participants!

The Hour of Code is organized by Code.org.