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intercalation

insertion of one or more intercalary time units (second, hour, day, week, month or year) to realign a calendar or conventional time with observed astronomic cycles or seasons
Class type of: recurring event Q1225911

Facts

4 properties
Subclass of
quasi-periodic event, intercalation[1]
Part of
calendar system[2]
Described by source
Gujin Tushu Jicheng, Encyclopædia Britannica 11th edition, Collier's New Encyclopedia, 1921[3][4][5]
Different from
intercalation, intercalation[6]
🏷️ Also known as
en Intercalation (timekeeping) en intercalation ar الإقحام في ضبط التاريخ ar الاقحام ar ضبط التاريخ بطريقة الإقحام ar إقحام ar اقحام ar الإقحام de Einschaltung es embolismo es intercalación fa کبیسه‌گیری hu közbeszúrás hu beiktatás hu beillesztés hu beszúrás hu betoldás hu interkaláció hu közbeiktatás hu közbetoldás
🔖 Identifiers · 2
Encyclopædia Britannica Online ID
science/intercalation
Freebase ID
/m/03ygv

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🔗 Connections
Examples 3
leap second, Sansculottides, Ayyám-i-Há
Subtypes 3
intercalary month, leap day, epagomenal day
Described by source 2
Encyclopædia Britannica 11th edition, Gujin Tushu Jicheng
Different from 1
intercalation
Part of 1
calendar system
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References

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

Direct Wikidata claims

  1. [1] ↑ . wikidata.org.
  2. [2] ↑ . wikidata.org.
  3. [3] ↑ . wikidata.org.
  4. [4] ↑ . wikidata.org.
  5. [5] ↑ . wikidata.org.
  6. [6] ↑ . 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). intercalation. Retrieved November 5, 2026, from https://4ort.xyz/entity/intercalation
MLA “intercalation.” 4ort.xyz Knowledge Graph, 4ort.xyz, 5 Nov. 2026, https://4ort.xyz/entity/intercalation.
BibTeX @misc{4ortxyz_intercalation_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{intercalation}}, year = {2026}, url = {https://4ort.xyz/entity/intercalation}, note = {Accessed: 2026-11-05}}
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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. 17w ago · Immanuelle · 2026-07-06 view diff on Wikidata ↗
    Different from → intercalation
    Subclass of → recurring event
    Wikidata description → insertion of one or more intercalary time units (second, hour, day, week, month
    "/* wbmergeitems-from:0||Q140447401 */"
  2. 21w ago · Verdy p · 2026-06-08 view diff on Wikidata ↗
    Different from → intercalation
    "/* wbsetclaim-create:2||1 */ Different from: intercalation"
  3. 21w ago · Verdy p · 2026-06-08 view diff on Wikidata ↗
    Aliases → —
    Different from → intercalation
    Part of → —
    Described by source → Gujin Tushu Jicheng, Encyclopædia Britannica 11th edition, Collier's New Encyclopedia, 1921
    + 3 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:2||1 */ Subclass of: intercalation"
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