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Extended Date/Time Format Specification

standard for recording and exchanging temporal data
Place technical_standard Q57629619

Facts

8 properties

Identity

Instance of
technical standard
Official website
www.loc.gov[4]
More facts +6
Publication date
October 22, 2018[3]
Cites work
ISO 8601:2004: Data elements and interchange formats—Information interchange—Representation of dates and times[7]
Imported from
wholeness_audit_2026-05-02
Publisher
Library of Congress[2]
Replaces
Extended Date/Time Format 1.0[5]
Title
Extended Date/Time Format Specification[6]
🏷️ Also known as
en EDTF Specification en Extended Date/Time Format Specification cs EDTF specifikace vi EDTF vi Tiêu chuẩn Định dạng Ngày giờ Mở rộng
🔖 Identifiers · 1
Work available at URL
www.loc.gov

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Summary

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

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). Extended Date/Time Format Specification. Retrieved November 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 Nov. 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: 2026-11-03}}
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 2026-11-03)

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