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Evergreen date guide

What is celebrated on December 28?

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

Date authority profile

What this date contains

5 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.

2 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 December 28

All topics →
Relationships & Family 1Food, Drink & Hospitality 1Arts, Entertainment & Lifestyle 1Civic, Remembrance & History 1Faith, Tradition & Spirituality 1
5 date-resolved records

All observances on this date

Source-backedFixed Annual

National Call a Friend Day

28 December · United States / informal friendship observance

National Today and Days Of The Year independently place National Call a Friend Day on December 28 each year.

Source-backedFixed Annual

National Chocolate Candy Day

28 December · 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 National Chocolate Candy Day on 28 December.

Source-backedFixed Annual

National Short Film Day

28 December · United States / Film Movement-founded informal cinema observance registered through National Day Calendar

National Day Calendar’s proclamation record identifies Film Movement as the 2019 founder and establishes December 28 as the annual date, chosen to echo the Lumière public film screening ann…

Source-backedFixed Annual

Proclamation Day

28 December; South Australia holiday is observed on 26 December with substitute rules · South Australia — public-holiday context

Government of South Australia / Public Holidays Act 2023 context

Source-backedFixed Annual

The Holy Innocents, Martyrs

28 December · Catholic Church / liturgical observance

The USCCB identifies 28 December as the Feast of the Holy Innocents, Martyrs.

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 →