Revised Julian Calendar

calendar proposed by M. Milanković in 1923 and adopted by some Eastern Orthodox churches
Thing calendar_system Q1930146
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Revised Julian Calendar

Summary

Revised Julian Calendar is a calendar system[1]. It draws 160 Wikipedia views per month (calendar_system category, ranking #23 of 64).[2]

Key Facts

  • Revised Julian Calendar is credited with the discovery of Milutin Milanković[3].
  • Revised Julian Calendar's instance of is recorded as calendar system[4].
  • Julian calendar is named after Revised Julian Calendar[5].
  • Revised Julian Calendar's time of discovery or invention is recorded as +1923-00-00T00:00:00Z[6].
  • Revised Julian Calendar's Freebase ID is recorded as /m/06jx2[7].
  • Revised Julian Calendar's defining formula is recorded as \operatorname{IsLeapYear}(y) = \begin{cases}\mathsf{false}&y \not\equiv 0 \pmod 4 \ \mathsf{true} & y \equiv 0 \pmod 4 \land y \not \equiv 0 \pmod{100} \ \mathsf{false} & y \equiv 0 \pmod{100} \land 200 \not\equiv y \not\equiv 600 \pmod{900} \ \mathsf{true} & y \equiv 200 \pmod{900} \ \mathsf{true} & y \equiv 600 \pmod{900} \end{cases}[8].
  • Revised Julian Calendar's maintained by WikiProject is recorded as WikiProject Mathematics[9].

Body

Works and Contributions

Revised Julian Calendar is credited with the discovery of Milutin Milanković[3].

Why It Matters

Revised Julian Calendar draws 160 Wikipedia views per month (calendar_system category, ranking #23 of 64).[2] It has Wikipedia articles in 16 language editions, a strong signal of global cultural recognition.[10] It is known by 20 alternative names across languages and contexts.[11]

References

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

Direct Wikidata claims

  1. [4] . wikidata.org.
  2. [3] . wikidata.org.
  3. [5] . wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . Freebase Data Dumps. wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [10] . Wikidata sitelinks. wikidata.org.
  3. [11] . 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). Revised Julian Calendar. Retrieved May 3, 2026, from https://4ort.xyz/entity/revised-julian-calendar
MLA “Revised Julian Calendar.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/revised-julian-calendar.
BibTeX @misc{4ortxyz_revised-julian-calendar_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Revised Julian Calendar}}, year = {2026}, url = {https://4ort.xyz/entity/revised-julian-calendar}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Revised Julian Calendar — https://4ort.xyz/entity/revised-julian-calendar (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/revised-julian-calendar · Last refreshed: