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December 28, 2021

date in Gregorian calendar
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December 28, 2021

Summary

December 28, 2021 is a December 28[1]. It is known by 5 alternative names across languages and contexts.[2]

Key Facts

  • December 28, 2021's image is recorded as 南京地铁S6号线百事可乐专列车厢内部20211228 01.jpg[3].
  • December 28, 2021's instance of is recorded as December 28[4].
  • December 28, 2021's instance of is recorded as calendar day of a given year[5].
  • December 28, 2021's instance of is recorded as fourth Tuesday in December[6].
  • December 28, 2021's part of is recorded as December 2021[7].
  • December 28, 2021's Commons category is recorded as 2021-12-28[8].
  • December 28, 2021's point in time is recorded as +2021-12-28T00:00:00Z[9].
  • December 28, 2021's topic's main category is recorded as Category:2021-12-28[10].
  • December 28, 2021's day of week is recorded as Tuesday[11].
  • December 28, 2021's KnowWhereGraph entity ID is recorded as instant.2021-12-28[12].

Why It Matters

December 28, 2021 is known by 5 alternative names across languages and contexts.[2]

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.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . 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 28, 2021. Retrieved May 3, 2026, from https://4ort.xyz/entity/december-28-2021
MLA “December 28, 2021.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/december-28-2021.
BibTeX @misc{4ortxyz_december-28-2021_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{December 28, 2021}}, year = {2026}, url = {https://4ort.xyz/entity/december-28-2021}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): December 28, 2021 — https://4ort.xyz/entity/december-28-2021 (retrieved 2026-05-03)

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