World Cancer Day 2026

World Cancer Day is observed annually on 4 February to raise awareness about cancer, encourage prevention and early detection, and mobilise action to improve treatment and care.

Frequently asked questions

When is World Cancer Day 2026?

World Cancer Day 2026 is on Wednesday, 4 February 2026.

What day of the week is World Cancer Day 2026?

It falls on Wednesday.

How is World Cancer Day calculated?

This event is observed every year on 4 February.