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Evergreen date guide

What is celebrated on December 12?

For 2026, these source-backed observances resolve to Saturday, December 12. 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.

0 explicit country-scope records

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

2 reviewed in-depth guides

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

Reviewed depth

Other in-depth guides on December 12

Explore the mix

Topics represented on December 12

All topics →
Civic, Remembrance & History 3Celebrations & Social 1Health, Wellness & Awareness 1Faith, Tradition & Spirituality 1
6 date-resolved records

All observances on this date

Source-backedFixed Annual

Feast of Our Lady of Guadalupe

12 December · Catholic Marian feast with especially strong significance in Mexico and the Americas

Vatican sources identify 12 December as the feast of Our Lady of Guadalupe.

Source-backedFixed Annual

Jamhuri Day

12 December · Kenyan national observance and public holiday

Office of the President of the Republic of Kenya

Source-backedEdition Specific

Our Lady of Guadalupe

12 December 2026 · Catholic Church / 2026 U.S. Roman liturgical calendar

The USCCB 2026 liturgical calendar lists 12 December as the Feast of Our Lady of Guadalupe.

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 →