Source-backedRule Based Annual

International Coastal Cleanup®

Ocean Conservancy states that the International Coastal Cleanup is held annually on the third Saturday of September, with many cleanups also occurring throughout the month.

Date / ruleThird Saturday of September annually; 19 September in 2026
ScopeOcean Conservancy / global cleanup campaign
VerificationOrganizer Recurring Rule Verified
PortabilityRule Based Annual
Evidence statusSource-backed
Last authority check2026-09-08
Target-year policyCalculate Rule
Next date this engine can safely resolveSaturday, September 19, 2026See everything on September 19 →
Authority summary

What is International Coastal Cleanup®?

Ocean Conservancy states that the International Coastal Cleanup is held annually on the third Saturday of September, with many cleanups also occurring throughout the month.

Date and recurrence

Third Saturday of September annually; 19 September in 2026

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

Scope and status

The verified scope stored for this record is Ocean Conservancy / global cleanup campaign. The site preserves that boundary and does not infer broader government, global or public-holiday status from the observance name alone.

Also known as

International Coastal Cleanup Day

Classification

Topic and context

Celebrations & Social →
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.
Provenance

Sources

Source policy →
  1. Ocean Conservancy — International Coastal CleanupFounding Organizer
Reader questions

Frequently asked questions

When is International Coastal Cleanup®?

Third Saturday of September annually; 19 September in 2026 The stored recurrence guidance is: Third Saturday of September.

Does International Coastal Cleanup® fall on the same date every year?

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

Is International Coastal Cleanup® an official public holiday?

The authority record verifies it within this scope: Ocean Conservancy / global cleanup campaign. 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 International Coastal Cleanup®?

The stored designation basis is: Ocean Conservancy states that the International Coastal Cleanup is held annually on the third Saturday of September, with many cleanups also occurring throughout the month.. Supporting provenance includes Ocean Conservancy — International Coastal Cleanup. The site does not infer a separate creator or founder unless reviewed evidence establishes one.

Is International Coastal Cleanup® international or country-specific?

The record has international or global institutional scope: Ocean Conservancy / global cleanup campaign. 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 2026-09-08.

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