Source-backedRule Based AnnualHeightened editorial care

Memorial Day

The U.S. National Park Service explains that Congress established Memorial Day as a national holiday observed on the last Monday in May.

Date / ruleLast Monday in May
ScopeUnited States
VerificationGovernment Verified
PortabilityRule Based Annual
Evidence statusSource-backed
Last authority check2026-09-07
Target-year policyCalculate Rule
Next date this engine can safely resolveMonday, May 31, 2027See everything on May 31 →
Authority summary

What is Memorial Day?

The U.S. National Park Service explains that Congress established Memorial Day as a national holiday observed on the last Monday in May.

Date and recurrence

Last Monday in May

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

Scope and status

The verified scope stored for this record is United States. 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

Civic, Remembrance & History →
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.
  • Remembrance Civic Context Care.
Provenance

Sources

Source policy →
  1. U.S. National Park Service — Memorial Day historyGovernment First Party
Reader questions

Frequently asked questions

When is Memorial Day?

Last Monday in May The stored recurrence guidance is: Last Monday in May.

Does Memorial 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 Memorial Day an official public holiday?

The authority record verifies it within this scope: United States. 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 Memorial Day?

The stored designation basis is: The U.S. National Park Service explains that Congress established Memorial Day as a national holiday observed on the last Monday in May.. Supporting provenance includes U.S. National Park Service — Memorial Day history. The site does not infer a separate creator or founder unless reviewed evidence establishes one.

Is Memorial Day international or country-specific?

This authority record is country-scoped to United States. Its fuller verified scope is: United States.

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 2026-09-07.

Same date

Other observances on May 31

Date guide →

These records also resolve to May 31, 2027 under the current authority data.

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CDC/NIOSH explicitly identifies May 31 as National Save Your Hearing Day; longstanding professional materials also use the May 31 observance.

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National Day Calendar and National Today independently place National Speak in Complete Sentences Day on May 31 each year.

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