World Hydrography Day
The International Hydrographic Organization states that World Hydrography Day is celebrated on 21 June; its 2026 page confirms 21 June 2026.
Date and recurrence
21 June annually
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 International Hydrographic Organization / global observance. The site preserves that boundary and does not infer broader government, global or public-holiday status from the observance name alone.
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 Hydrographic Organization — World Hydrography DayIntergovernmental Authority
Frequently asked questions
When is World Hydrography Day?
21 June annually The stored recurrence guidance is: 21 June.
Does World Hydrography 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 Hydrography Day an official public holiday?
The authority record verifies it within this scope: International Hydrographic Organization / global 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 World Hydrography Day?
The stored designation basis is: The International Hydrographic Organization states that World Hydrography Day is celebrated on 21 June; its 2026 page confirms 21 June 2026.. Supporting provenance includes International Hydrographic Organization — World Hydrography Day. The site does not infer a separate creator or founder unless reviewed evidence establishes one.
Is World Hydrography Day international or country-specific?
The record has international or global institutional scope: International Hydrographic Organization / global 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 2026-09-08.
Other observances on June 21
These records also resolve to June 21, 2027 under the current authority data.
Aymara New Year / Andean-Amazonian and Chaco New Year context
Bolivian public-holiday references consistently place Aymara New Year on 21 June; the page is scoped to Bolivia and Indigenous Andean traditions rather than a universal “New Year.”
Año Nuevo Andino Amazónico Chaqueño
Bolivia Ministry of Labour / national government
Global Day for ALS/MND Awareness
International Alliance of ALS/MND Associations
Go Skateboarding Day
IASC press releases describe Go Skateboarding Day as the official annual holiday of skateboarding, observed worldwide on June 21.
International Day of the Celebration of the Solstice
A/RES/73/300
International Day of Yoga
A/RES/69/131