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Julian day

days since the beginning of the Julian Period
Thing measurement_scale Q14267
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Julian day

Summary

Julian day is a measurement scale[1]. It has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • Julian day is credited with the discovery of Joseph Justus Scaliger[3].
  • Julian day's instance of is recorded as measurement scale[4].
  • Julius Caesar Scaliger is named after Julian day[5].
  • Julian day is a type of day[6].
  • Julian day's described by source is recorded as Yuzhakov Big Encyclopedia[7].
  • Julian day's described by source is recorded as Meyers Konversations-Lexikon, 4th edition (1885–1890)[8].
  • Julian day's described by source is recorded as Small Soviet Encyclopedia[9].
  • Julian day's Stack Exchange tag is recorded as https://stackoverflow.com/tags/julian[10].
  • Julian day's different from is recorded as Julian year[11].
  • Julian day's different from is recorded as Julian calendar[12].

Body

Definition and Type

Julian day's instance of is recorded as measurement scale[4]. It is a type of day[6].

Origins

Julius Caesar Scaliger is named after Julian day[5].

Why It Matters

Julian day has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[2] It is known by 6 alternative names across languages and contexts.[13]

Related Entities

Joseph Justus Scaliger Julius Caesar Scaliger

References

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

Direct Wikidata claims

  1. [4] ↑ . wikidata.org.
  2. [3] ↑ . Den Store Danske Encyklopædi. lex.dk. Provenance: wikidata.org.
  3. [5] ↑ . Den Store Danske Encyklopædi. lex.dk. Provenance: 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 sitelinks. wikidata.org.
  2. [13] ↑ . 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). Julian day. Retrieved May 3, 2026, from https://4ort.xyz/entity/julian-day
MLA “Julian day.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/julian-day.
BibTeX @misc{4ortxyz_julian-day_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Julian day}}, year = {2026}, url = {https://4ort.xyz/entity/julian-day}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Julian day — https://4ort.xyz/entity/julian-day (retrieved 2026-05-03)

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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. 6d ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    Named after → Julius Caesar Scaliger
    Discoverer or inventor → Joseph Justus Scaliger
    Different from → Julian year, Julian calendar
    Subclass of → —
    + 7 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/40849|batch #40849]]: ZGBK ID"
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