Evergreen date guide

What is celebrated on September 24?

For 2026, these source-backed observances resolve to Thursday, September 24. Recurring rules can move in another year, so each record keeps its own date logic.

Date authority profile

What this date contains

6 unique authority records

The list is deduplicated at the public entity layer while retaining all research provenance behind each page.

0 stable or rule-calculated

0 fixed annual and 0 reusable rule-based records can be placed without inventing a new date.

0 edition-specific

Edition-specific dates appear only when the requested year matches the verified edition; variable and historical records remain gated.

3 explicit country-scope records

Country scope stays attached to the underlying record instead of being generalized into a worldwide observance.

1 reviewed in-depth guides

These entities add reviewed meaning, history, activities, facts and FAQs without rewriting the authority facts.

Curated global anchors

Major global guides on September 24

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A reviewed starting point drawn from prominent global observances with strong institutional or organizer provenance. Selection does not change each record’s official status or scope.

Source-backedRule Based AnnualIn-depth guide

World Maritime Day

Last Thursday of September · United Nations / IMO international observance

IMO / UN observance

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Topics represented on September 24

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Workplace, Professions & Appreciation 2 Faith, Tradition & Spirituality 1 Civic, Remembrance & History 1 Arts, Entertainment & Lifestyle 1 Animals, Nature & Environment 1

6 date-resolved records

All observances on this date

Source-backedEdition Specific

Día de Nuestra Señora de las Mercedes

24 September 2026; not moved · Dominican Republic / 2026 national holiday calendar

The Dominican Ministry of Labor’s official 2026 holiday notice lists 24 September, Día de Nuestra Señora de las Mercedes, and states that it is not moved.

Source-backedFixed Annual

Heritage Day

24 September · South Africa

South African Government lists Heritage Day as a public holiday and describes its purpose around cultural wealth, diversity and living heritage

Source-backedFixed Annual

Lash Stylists’ Day

24 September · International beauty industry / Noble Lashes creator-defined observance

Noble Lashes’ own site lists its September 24 Lash Stylist Day initiative; current awareness documentation attributes the 2018 creation to Noble Lashes and uses September 24 annually.

Source-backedFixed Annual

National Punctuation Day

24 September · United States / privately founded language-awareness observance

CBS coverage identifies National Punctuation Day as a 24 September observance created by Jeff Rubin in 2004.

Source-backedEdition Specific

Remember Me Thursday®

24 September 2026 · Helen Woodward Animal Center / pet-adoption awareness campaign

The official Remember Me Thursday site gives 24 September 2026 for the current campaign and centers orphan pets awaiting homes.

Source-backedRule Based AnnualIn-depth guide

World Maritime Day

Last Thursday of September · United Nations / IMO international observance

IMO / UN observance

How this date is built

This page is assembled from verified fixed dates, reusable recurrence rules, and target-year records whose edition matches 2026. Variable, historical or unresolved records are not silently forced onto this date.

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