World Cancer Day
Date and recurrence
4 February
This authority record treats the observance as a fixed annual date. The same month and day can be reused unless a stronger source changes the rule.
Scope and status
The verified scope stored for this record is Global cancer awareness campaign led by UICC. The site preserves that boundary and does not infer broader government, global or public-holiday status from the observance name alone.
Also known as
World Cancer Day
Topic and context
What this page does not assume
- Keep the source-defined country, community, organizer or institutional scope; do not silently broaden it.
- Do not treat the title alone as proof of government recognition or public-holiday status.
- Do not add a creator, founding story or origin claim unless the supporting evidence establishes it.
- Health Information Not Medical Advice.
Sources
Frequently asked questions
When is World Cancer Day?
4 February The stored recurrence guidance is: 4 February.
Does World Cancer Day fall on the same date every year?
The authority record classifies it as fixed annual, so its month and day are reusable unless stronger evidence changes the rule.
Is World Cancer Day an official public holiday?
The authority record verifies it within this scope: Global cancer awareness campaign led by UICC. That recognition does not by itself make it a statutory public holiday; the site only makes public-holiday claims when the supporting authority record explicitly does so.
Who established or recognizes World Cancer Day?
The authority record is documented by uicc.org — authoritative source. The site does not infer a separate creator or founder unless the source evidence establishes one.
Is World Cancer Day international or country-specific?
The record has international or global institutional scope: Global cancer awareness campaign led by UICC. That does not mean every country treats the date as a public holiday or observes it in the same way.
How is this page verified?
The factual layer is source-backed and keeps its date rule, scope, provenance and editorial guardrails attached to the authority record. This record was checked on 2026-09-05.
Other observances on February 4
These records also resolve to February 4, 2027 under the current authority data.
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Homemade Soup Day
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International Day of Human Fraternity
A/RES/75/200
National Independence Day
Office of the President of Sri Lanka
National Thank a Mail Carrier Day
National Day Calendar repeatedly places the appreciation observance on February 4 while noting it is also known as Thank a Mailman Day; the current evidence does not establish USPS or feder…
Optimist Day
Optimist International states that Optimist Day is celebrated annually on the first Thursday of February and traces the organization’s adoption of that rule to 2013.