Official

World Cancer Day 2026

World Cancer Day falls on February 4, 2026.

4 February 2026

Date February 4, 2026 Wednesday 131 days ago Source: Union for International Cancer Control

About this observance

An international awareness day led by UICC to raise awareness of cancer prevention, detection, treatment, and care.

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When is World Cancer Day in 2026?

World Cancer Day is listed for February 4, 2026 in 2026.

What is the source for World Cancer Day?

The current source label for this entry is Union for International Cancer Control.