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epoch

moment in time used as a reference point for some time-varying astronomical quantity
Class type of: epoch Q2703

Facts

6 properties
Instance of
astronomical concepts
Subclass of
epoch[2]
Described by source
Encyclopædia Britannica 11th edition, Explanatory Dictionary of the Living Great Russian Language[3][4]
Different from
epoch[6]
Main Wikidata property
P6259[5]
On focus list of Wikimedia project
Wikipedia:Vital articles/Level/4[7]
🏷️ Also known as
en epoch ar حقبة cs epocha de Epoche el εποχή es epoca es época fa مبدأ fi epookki fr époque he אפוק he תקופת ייחוס hi युग id Epos ja 元期 ko 역기점 ms Epok pl epoka pt época (astronomia) ro epocă
🔖 Identifiers · 6
OpenAlex ID
C2780317896
Freebase ID
/m/01cdn8
MetaSat ID
epoch
PSH ID
350
Quora topic ID
Geologic-Time-Scale, Epoch
WordNet 3.1 Synset ID
15321930-n

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🔗 Connections
← Significant event 12
Soyuz 11, STS-116, Soyuz TMA-09M, Soyuz TMA-14, Soyuz TMA-1, Soyuz TMA-10M, Soyuz TMA-17, SpaceX CRS-8 +4 more
Described by source 2
Encyclopædia Britannica 11th edition, Explanatory Dictionary of the Living Great Russian Language
Examples 2
J2000.0, Byzantine North Africa
On focus list of Wikimedia project 1
Wikipedia:Vital articles/Level/4
Subclass of 1
epoch
← SNARC ID 1
Zawadzkie
← Said to be the same as 1
epoch
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Summary

epoch is an astronomical concepts[1].

Related Entities

Cygnus CRS Orb-1 Cygnus CRS Orb-2 Georges Lemaître ATV Progress M-18M Soyuz 11 Soyuz TMA-09M Soyuz TMA-10M Soyuz TMA-14 Soyuz TMA-17

References

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

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. 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). epoch. Retrieved November 5, 2026, from https://4ort.xyz/entity/epoch-q2703-2
MLA “epoch.” 4ort.xyz Knowledge Graph, 4ort.xyz, 5 Nov. 2026, https://4ort.xyz/entity/epoch-q2703-2.
BibTeX @misc{4ortxyz_epoch-q2703-2_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{epoch}}, year = {2026}, url = {https://4ort.xyz/entity/epoch-q2703-2}, note = {Accessed: 2026-11-05}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): epoch — https://4ort.xyz/entity/epoch-q2703-2 (retrieved 2026-11-05)

Canonical URL: https://4ort.xyz/entity/epoch-q2703-2 · 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. 25w ago · MatSuBot bot · 2026-05-12 view diff on Wikidata ↗
    Instance of → astronomical concepts
    Main Wikidata property → P6259
    On focus list of Wikimedia project → Wikipedia:Vital articles/Level/4
    Aliases → —
    + 4 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update-languages-short:0||tt, ba */ import labels from sitelinks"
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