Source-backedRule Based AnnualHeightened editorial care

Rare Disease Day

EURORDIS and the international rare-disease community

Date / ruleLast day of February
ScopePatient-led global awareness observance
VerificationOrganizer Verified
PortabilityRule Based Annual
Evidence statusSource-backed
Last authority check2026-09-05
Target-year policyCalculate Rule
Authority summary

What is Rare Disease Day?

EURORDIS and the international rare-disease community

Date and recurrence

Last day of February

This observance follows a reusable calendar rule rather than one fixed Gregorian date. The actual date can move from year to year. Rule: Last day of February

Scope and status

The verified scope stored for this record is Patient-led global awareness observance. The site preserves that boundary and does not infer broader government, global or public-holiday status from the observance name alone.

Classification

Topic and context

Health, Wellness & Awareness →
Accuracy controls

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.
Provenance

Sources

Source policy →
  1. Rare Disease Day — Official campaignOrganizer Dedicated Page
Reader questions

Frequently asked questions

When is Rare Disease Day?

Last day of February The stored recurrence guidance is: Last day of February.

Does Rare Disease Day fall on the same date every year?

It follows a recurring calendar rule, so the Gregorian date can change from year to year.

Is Rare Disease Day an official public holiday?

The authority record verifies it within this scope: Patient-led global awareness observance. 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 Rare Disease Day?

The stored designation basis is: EURORDIS and the international rare-disease community. Supporting provenance includes Rare Disease Day — Official campaign. The site does not infer a separate creator or founder unless reviewed evidence establishes one.

Is Rare Disease Day international or country-specific?

The record has international or global institutional scope: Patient-led global awareness observance. 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.

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