IOSF World Otter Day
The International Otter Survival Fund states that it established IOSF World Otter Day and that it takes place on the last Wednesday in May each year.
Date and recurrence
Last Wednesday in May annually
This observance follows a reusable calendar rule rather than one fixed Gregorian date. The actual date can move from year to year. Rule: Last Wednesday in May
Scope and status
The verified scope stored for this record is International / International Otter Survival Fund 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
World Otter 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.
Sources
- International Otter Survival Fund — World Otter DayConservation Charity
Frequently asked questions
When is IOSF World Otter Day?
Last Wednesday in May annually The stored recurrence guidance is: Last Wednesday in May.
Does IOSF World Otter 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 IOSF World Otter Day an official public holiday?
The authority record verifies it within this scope: International / International Otter Survival Fund 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 IOSF World Otter Day?
The stored designation basis is: The International Otter Survival Fund states that it established IOSF World Otter Day and that it takes place on the last Wednesday in May each year.. Supporting provenance includes International Otter Survival Fund — World Otter Day. The site does not infer a separate creator or founder unless reviewed evidence establishes one.
Is IOSF World Otter Day international or country-specific?
The record has international or global institutional scope: International / International Otter Survival Fund 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 2026-09-07.
Other observances on May 26
These records also resolve to May 26, 2027 under the current authority data.
Guyana Independence Day
The Organization of American States’ current country page lists Guyana National Independence Day as 26 May.
Independence Day
A 26 May 2026 ministry page explicitly documents Georgia’s Independence Day celebrations.
National Blueberry Cheesecake Day
The U.S. Highbush Blueberry Council repeatedly identifies May 26 as National Blueberry Cheesecake Day in its industry marketing materials.
National Cherry Dessert Day
Two Association of Nutrition & Foodservice Professionals chapter calendars from different publication years list National Cherry Dessert Day on 26 May.
National Sorry Day
Australian Government / Department of the Prime Minister and Cabinet
World Lindy Hop Day
Frankie Manning Foundation