Earth rotates around the Sun.


Thursday, February 29


Explore online resources (see event details)

Target Audience:

General Public


You may have noticed that there's an extra day on your calendar this year. That's not a typo – it's leap day!

Get a quick primer on leap days and leap years with this article from JPL Education:

Then, explore how to engaged students in the math and science of leap day with these resources from JPL and NASA:

Educator Resources

Student Resources