Evergreen date guide

What is celebrated on March 28?

For 2026, these source-backed observances resolve to Saturday, March 28. Recurring rules can move in another year, so each record keeps its own date logic.

Date authority profile

What this date contains

4 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.

1 explicit country-scope records

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

0 reviewed in-depth guides

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

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Topics represented on March 28

All topics →

Animals, Nature & Environment 2 Food, Drink & Hospitality 1 Civic, Remembrance & History 1

4 date-resolved records

All observances on this date

Source-backedEdition Specific

Earth Hour

28 March 2026, 8:30 p.m. local time · Worldwide / WWF Earth Hour

The official Earth Hour site lists 28 March 2026 at 20:30 and invites people to give an hour for Earth.

Source-backedFixed Annual

National Black Forest Cake Day

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

ANFP Wyoming and Wisconsin chapter calendars list National Black Forest Cake Day on March 28.

Source-backedFixed Annual

Respect Your Cat Day

28 March · Informal pet-awareness calendar usage documented by a veterinary institution

The Animal Medical Center repeatedly lists Respect Your Cat Day on March 28 across annual pet-holiday calendars.

Source-backedFixed Annual

Serfs' Emancipation Day

28 March · Tibet Autonomous Region, China / government-designated commemoration

China's State Council Information Office says the Tibet Autonomous Region legislature designated March 28 as Serfs' Emancipation Day in 2009.

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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