World Space Week 2025

World Space Week celebrates the contributions of space science and technology to the improvement of the human condition from 4 to 10 October.

Frequently asked questions

When is World Space Week 2025?

World Space Week 2025 is on Saturday, 4 October 2025.

What day of the week is World Space Week 2025?

It falls on Saturday.

How is World Space Week calculated?

This observance runs for 7 days from its calculated start date each year.