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Evergreen date guide

What is celebrated on March 21?

For 2026, these source-backed observances resolve to Saturday, March 21. Recurring rules can move in another year, so each record keeps its own date logic.

Date authority profile

What this date contains

27 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.

11 explicit country-scope records

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

6 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 March 21

See the collection →

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-backedFixed AnnualIn-depth guide

World Day for Glaciers

21 March · United Nations / international observance

A/RES/77/158

Source-backedFixed AnnualIn-depth guide

World Down Syndrome Day

21 March · United Nations international observance

A/RES/66/149

Source-backedFixed AnnualIn-depth guide

World Poetry Day

21 March · UNESCO international observance

UNESCO 30 C/Resolution 29

Reviewed depth

Other in-depth guides on March 21

Source-backedFixed AnnualIn-depth guide

International Day of Nowruz

21 March · United Nations-recognized cultural observance

A/RES/64/253

Explore the mix

Topics represented on March 21

All topics →
Arts, Entertainment & Lifestyle 7Community, Causes & Advocacy 5Animals, Nature & Environment 5Food, Drink & Hospitality 3Faith, Tradition & Spirituality 3Civic, Remembrance & History 1Relationships & Family 1Celebrations & Social 1
27 date-resolved records

All observances on this date

Source-backedFixed Annual

California Strawberry Day

21 March · Informal food-calendar usage documented by Association of Nutrition & Foodservice Professionals chapter material

Two Association of Nutrition & Foodservice Professionals chapter calendars from different publication years list California Strawberry Day on 21 March.

Source-backedEdition Specific

Eid al-Fitr (Hari Raya Puasa in Singapore)

21 March 2026 in Singapore; subject to further confirmation on the current MOM calendar · Singapore public-holiday calendar / globally variable Islamic observance

Singapore’s Ministry of Manpower lists Hari Raya Puasa on 21 March 2026 and marks the date subject to further confirmation. This verifies the Singapore 2026 public-holiday mapping, not a un…

Source-backedFixed Annual

Harmony Day

21 March · Australia national commemoration

Department of the Prime Minister and Cabinet, Australian Government

Source-backedFixed Annual

Human Rights Day

21 March · South Africa

The South African Government’s public-holidays page lists Human Rights Day on 21 March.

Source-backedFixed Annual

Independence Day

21 March · Namibia

Australia’s Department of Foreign Affairs and Trade current National Days protocol register lists Namibia — Independence Day on 21 March. The source verifies the diplomatic national-day ide…

Source-backedFixed Annual

International Colour Day

21 March · international colour awareness and interdisciplinary observance

International Colour Association (AIC)

Source-backedFixed AnnualIn-depth guide

International Day of Nowruz

21 March · United Nations-recognized cultural observance

A/RES/64/253

Source-backedRule Based Annual

International Sports Car Racing Day

Third Saturday in March · International / informal motorsport observance

National Today and Checkiday independently define International Sports Car Racing Day as the third Saturday in March.

Source-backedFixed Annual

Mother’s Day in Egypt

21 March annually · Egypt / national social observance

Egypt’s State Information Service identifies Mother’s Day on 21 March each year.

Source-backedFixed Annual

National Aries Day

21 March · International / informal astrology-themed observance

EventGuide and Holidays & Observances independently place National Aries Day on March 21.

Source-backedRule Based Annual

National Corn Dog Day

Third Saturday in March · United States / informal food-and-sports observance

National Day Calendar identifies Brady Sahnow and Henry Otley as creators of the 1992 observance and marks the date as changing annually; SONIC celebrated it on March 15, 2025 and Kirby Fam…

Source-backedFixed Annual

National Flower Day

21 March · United States / informal floral-appreciation observance

National Today gives National Flower Day a fixed March 21 recurrence, while The Old Farmer’s Almanac independently lists National Flower Day on March 21 in successive yearly calendars.

Source-backedFixed Annual

National French Bread Day

21 March · United States / informal food observance

Independent observance calendars identify March 21 as National French Bread Day.

Source-backedFixed Annual

National Healthy Fats Day

21 March · United States / Healthy Fats Coalition educational campaign

Healthy Fats Coalition material calls March 21 National Healthy Fats Day, describes the 2022 observance as the fifth annual edition, and identifies the day as the coalition’s brainchild.

Source-backedFixed Annual

National Renewable Energy Day

21 March · United States / renewable-energy awareness observance recognized in U.S. Department of Energy communications

The U.S. Department of Energy published a National Renewable Energy Day article on March 21, 2023, and its Better Plants calendar also places National Renewable Energy Day on March 21.

Source-backedFixed Annual

National Teenager Day

21 March · United States / informal teenager-appreciation observance

National Today explicitly defines National Teenager Day as every March 21, and Bombay Times independently lists National Teenager Day on March 21 in its 2026 observance calendar.

Source-backedEdition Specific

Naw-Rúz

21 March 2026; begins at sunset on 20 March · Bahá’í Faith / official Bahá’í calendar

The official Bahá’í calendar lists Naw-Rúz on 21 March 2026 and explains that Bahá’í days run from sunset to sunset.

Source-backedRule Based Annual

Play-the-Recorder Day

Third Saturday in March · American Recorder Society / recorder-community observance

The American Recorder Society states that Play-the-Recorder Day grew from a 1989 event, became annual in 1992, and is observed on the third Saturday in March.

Source-backedFixed Annual

Race Relations Day (New Zealand)

21 March · New Zealand / race-relations observance aligned with the UN anti-racism day

New Zealand History records that Race Relations Day was first formally celebrated in New Zealand on 21 March 2003, aligning with the UN International Day for the Elimination of Racial Discr…

Source-backedRule Based Annual

Save the Florida Panther Day

Third Saturday of March (21 March in 2026) · Florida, United States / statutory state special observance

Florida Statutes designate the third Saturday in March of each year as Save the Florida Panther Day; the U.S. Fish and Wildlife Service also promoted the 21 March 2026 observance.

Source-backedFixed AnnualIn-depth guide

World Day for Glaciers

21 March · United Nations / international observance

A/RES/77/158

Source-backedFixed AnnualIn-depth guide

World Down Syndrome Day

21 March · United Nations international observance

A/RES/66/149

Source-backedFixed AnnualIn-depth guide

World Poetry Day

21 March · UNESCO international observance

UNESCO 30 C/Resolution 29

Source-backedEdition Specific

World Puppetry Day

21 March; Puppeteers of America held its 2026 online celebration on 22 March · Puppeteers of America / North American puppetry community

Puppeteers of America states that it officially merged National Day of Puppetry with World Puppetry Day, each March 21; its 2026 online celebration was scheduled for Sunday, 22 March.

Source-backedFixed Annual

World Puppetry Day

21 March · Organizer-backed international observance

Union Internationale de la Marionnette (UNIMA)

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.

Read the methodology →