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December 21

day of the year
Event point_in_time_with_respect_to_recurrent_timeframe Q2603
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December 21

Summary

December 21 is a point in time with respect to recurrent timeframe[1]. It has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • December 21's instance of is recorded as point in time with respect to recurrent timeframe[3].
  • December 21 is a type of 21st[4].
  • December 21 is part of December[5].
  • December 21's Commons category is recorded as 21 December[6].
  • December 21's topic's main category is recorded as Category:December 21[7].
  • December 21's Commons gallery is recorded as December 21[8].
  • December 21's day of week is recorded as Sunday[9].
  • December 21's day of week is recorded as Monday[10].
  • December 21's day of week is recorded as Tuesday[11].
  • December 21's day of week is recorded as Wednesday[12].
  • December 21's day of week is recorded as Thursday[13].
  • December 21's day of week is recorded as Friday[14].
  • December 21's day of week is recorded as Saturday[15].
  • December 21's category for births in this time period is recorded as Category:December 21 births[16].
  • December 21's category for deaths in this time period is recorded as Category:December 21 deaths[17].

Body

Context

December 21 is part of December[5]. Its instance of is recorded as point in time with respect to recurrent timeframe[3].

Why It Matters

December 21 has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[2] It is known by 13 alternative names across languages and contexts.[18]

Related Entities

Lappeenranta Peter Canisius

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . wikidata.org.
  12. [14] ↑ . wikidata.org.
  13. [15] ↑ . wikidata.org.
  14. [16] ↑ . wikidata.org.
  15. [17] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikidata sitelinks. wikidata.org.
  2. [18] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). December 21. Retrieved May 3, 2026, from https://4ort.xyz/entity/december-21
MLA “December 21.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/december-21.
BibTeX @misc{4ortxyz_december-21_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{December 21}}, year = {2026}, url = {https://4ort.xyz/entity/december-21}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): December 21 — https://4ort.xyz/entity/december-21 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/december-21 · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 2d ago · Looniverse · 2026-07-16 view diff on Wikidata ↗
    Instance of → point in time with respect to recurrent timeframe
    Part of → December
    Instance of → —
    Subclass of → —
    + 8 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:1||1 */ [[Property:P12653]]: 2548, Adding FürthWiki Ids"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.