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Evergreen date guide

What is celebrated on December 5?

For 2026, these source-backed observances resolve to Saturday, December 5. Recurring rules can move in another year, so each record keeps its own date logic.

Date authority profile

What this date contains

9 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.

6 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.

Curated global anchors

Major global guides on December 5

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.

Reviewed depth

Other in-depth guides on December 5

Source-backedFixed AnnualIn-depth guide

World Soil Day

5 December · FAO / United Nations / international observance

A/RES/68/232

Explore the mix

Topics represented on December 5

All topics →
Celebrations & Social 2Workplace, Professions & Appreciation 2Arts, Entertainment & Lifestyle 1Civic, Remembrance & History 1Relationships & Family 1Food, Drink & Hospitality 1Animals, Nature & Environment 1
9 date-resolved records

All observances on this date

Source-backedFixed Annual

Bathtub Party Day

5 December · United States / creator-defined informal Wellcat observance

Thomas and Ruth Roy’s first-party Wellcat Holidays calendar lists Bathtub Party Day on December 5 and identifies Wellcat Holidays as their created, copyrighted holiday collection.

Source-backedRule Based Annual

Global Fat Bike Day

First Saturday of December · International / grassroots fat-bike cycling community

Cycling-community sources describe Global Fat Bike Day as a grassroots celebration held on the first Saturday of December; Flatlands Cycling lists 5 December for 2026.

Source-backedFixed Annual

National Father’s Day

5 December every year; 5 December 2026 · Thailand / national observance

Thailand’s Government Public Relations Department states that 5 December, the birthday of the late King Bhumibol Adulyadej The Great, is also observed as Thailand’s National Day and Nationa…

Source-backedRule Based Annual

National Patio Day

First Saturday of December · Australia / Stratco and Cancer Council fundraising and sun-safety campaign

Stratco states that it launched National Patio Day with Cancer Council in 2019 on the first Saturday of summer; its 2020 materials explicitly say the day is always on the first Saturday of…

Source-backedRule Based Annual

National Rhubarb Vodka Day

First Saturday in December · United States / informal alcohol-related food-and-drink observance

Days Of The Year and Checkiday independently define National Rhubarb Vodka Day as the first Saturday in December; the rule is retained rather than hard-coding a single year’s date.

Source-backedRule Based Annual

SKYWARN Recognition Day

First Saturday in December; edition status must be checked · United States / National Weather Service and amateur-radio community

National Weather Service material describes the first Saturday in December as SKYWARN Recognition Day. The national 2025 event was cancelled while organizers discussed redevelopment, so cur…

Source-backedFixed AnnualIn-depth guide

World Soil Day

5 December · FAO / United Nations / international observance

A/RES/68/232

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 →