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Extended Date/Time Format Specification

standard for recording and exchanging temporal data
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Extended Date/Time Format Specification

Summary

Extended Date/Time Format Specification is a technical standard[1].

Key Facts

  • Extended Date/Time Format Specification's instance of is recorded as technical standard[2].
  • Extended Date/Time Format Specification's publisher is recorded as Library of Congress[3].
  • Extended Date/Time Format Specification's publication date is recorded as +2018-10-22T00:00:00Z[4].
  • Extended Date/Time Format Specification's official website is recorded as https://www.loc.gov/standards/datetime/edtf.html[5].
  • Extended Date/Time Format Specification's work available at URL is recorded as https://www.loc.gov/standards/datetime/edtf.html[6].
  • Extended Date/Time Format Specification's replaces is recorded as Extended Date/Time Format 1.0[7].
  • Extended Date/Time Format Specification's title is recorded as Extended Date/Time Format Specification[8].
  • Extended Date/Time Format Specification's cites work is recorded as ISO 8601:2004: Data elements and interchange formats—Information interchange—Representation of dates and times[9].

Body

Designation and Status

Extended Date/Time Format Specification's instance of is recorded as technical standard[2].

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.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . 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). Extended Date/Time Format Specification. Retrieved May 3, 2026, from https://4ort.xyz/entity/extended-date-time-format-specification
MLA “Extended Date/Time Format Specification.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/extended-date-time-format-specification.
BibTeX @misc{4ortxyz_extended-date-time-format-specification_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Extended Date/Time Format Specification}}, year = {2026}, url = {https://4ort.xyz/entity/extended-date-time-format-specification}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Extended Date/Time Format Specification — https://4ort.xyz/entity/extended-date-time-format-specification (retrieved 2026-05-03)

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