Q: What is Wikibase EDTF?

A: Wikibase EDTF is a MediaWiki extension that adds support for the Extended Date/Time Format (EDTF) Specification to Wikibase through a new data type. This allows Wikibase to manage more complex and nuanced date and time information.

Q: What license does Wikibase EDTF use?

A: Wikibase EDTF is licensed under the GNU General Public License, version 2.0 or later. This classification means it is free software, allowing users to freely run, study, change, and distribute it.

Q: Who maintains Wikibase EDTF?

A: Wikibase EDTF is maintained by Professional Wiki. Their involvement began on November 11, 2020.

Q: What programming language is Wikibase EDTF written in?

A: Wikibase EDTF is primarily written in PHP. Specifically, version 2.0.0 requires PHP 7.4+ for installation. It also uses Q2005 (JavaScript).

Q: What is the latest preferred version of Wikibase EDTF?

A: The latest preferred version of Wikibase EDTF is 3.0.0, which was released on July 10, 2025.

Wikibase EDTF

MediaWiki extension that adds support support for the Extended Date/Time Format (EDTF) Specification to Wikibase via a new data type

Event mediawiki_extension Q106048206

Facts

15 properties

Instance of: MediaWiki extension, free software^[2]
Official website: www.mediawiki.org (2021–present), professional.wiki (2025–present), github.com (2020–present)^[16]^[17]^[18]
License: GNU General Public License, version 2.0 or later
Website: www.mediawiki.org, professional.wiki, github.com
Programming language: PHP, JavaScript
Copyright license: GNU General Public License, version 2.0 or later^[4]
Copyright status: copyrighted
Depends on software: MediaWiki, Wikibase Repository^[23]
Main subject: MediaWiki, Wikibase, Extended Date/Time Format Specification, Jyoti varma^[19]^[20]^[21]^[22]
Maintained by: Professional Wiki (2020–present)^[3]
MediaWiki hooks used: Extension:Wikibase Repository/Hooks/WikibaseRepoDataTypes, Extension:Wikibase Client/Hooks/WikibaseClientDataTypes
Programmed in: PHP, JavaScript^[5]^[6]
Software quality assurance: continuous integration (2020–present)
Software version identifier: 1.0.0, 1.1.0, 1.2.0, 2.0.0, 2.0.1, 2.1.0, 2.1.1, 3.0.0, 2.1.2^[7]^[8]^[9]^[10]^[11]^[12]^[13]^[14]^[15]
Version: 1.0.0, 1.1.0, 1.2.0, 2.0.0, 2.0.1, 2.1.0, 2.1.1, 3.0.0, 2.1.2

🏷️ Also known as

en Wikibase EDTF de Extension:Wikibase EDTF de Extension:WikibaseEDTF de WBEDTF de WikibaseEDTF ja ウィキベースEDTF

🔖 Identifiers · 6

Issue tracker URL: github.com
Official demo URL: edtf.wikibase.wiki (2021–present)
Source code repository URL: github.com
Translation contribution URL: translatewiki.net
Wikibase World ID: Romania
YouTube video ID: U5ndjtuDPf8

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections

Programmed in 2

PHP, JavaScript

GNU General Public License, version 2.0 or later

Depends on software 1

Wikibase Repository

Instance of 1

free software

Main subject 1

Jyoti varma

Maintained by 1

Professional Wiki

Software quality assurance 1

continuous integration

Wikibase World ID 1

Romania

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Summary

Wikibase EDTF is a MediaWiki extension^[1].

References

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

Direct Wikidata claims

[2] ↑ Wikibase EDTF — instance of (P31): free software. GitHub. Retrieved 2021-03-19. github.com. Provenance: wikidata.org.
[3] ↑ Wikibase EDTF — maintained by (P126): Professional Wiki. GitHub. Retrieved 2021-03-19. github.com. Provenance: wikidata.org.
[4] ↑ Wikibase EDTF — copyright license (P275): GNU General Public License, version 2.0 or later. GitHub. Retrieved 2021-03-19. github.com. Provenance: wikidata.org.
[5] ↑ Wikibase EDTF — programmed in (P277): PHP. GitHub. Retrieved 2022-02-19. github.com. Provenance: wikidata.org.
[6] ↑ Wikibase EDTF — programmed in (P277): JavaScript. GitHub. Retrieved 2021-03-19. github.com. Provenance: wikidata.org.
[7] ↑ Wikibase EDTF — software version identifier (P348): 1.0.0. GitHub. Retrieved 2021-03-19. github.com. Provenance: wikidata.org.
[8] ↑ Wikibase EDTF — software version identifier (P348): 1.1.0. github.com. Retrieved 2021-04-20. github.com. Provenance: wikidata.org.
[9] ↑ Wikibase EDTF — software version identifier (P348): 1.2.0. github.com. Retrieved 2022-02-19. github.com. Provenance: wikidata.org.
[10] ↑ Wikibase EDTF — software version identifier (P348): 2.0.0. github.com. Retrieved 2022-02-19. github.com. Provenance: wikidata.org.
[11] ↑ Wikibase EDTF — software version identifier (P348): 2.0.1. github.com. Retrieved 2022-05-02. github.com. Provenance: wikidata.org.
[12] ↑ Wikibase EDTF — software version identifier (P348): 2.1.0. GitHub. Retrieved 2023-03-31. github.com. Provenance: wikidata.org.
[13] ↑ Wikibase EDTF — software version identifier (P348): 2.1.1. GitHub. Retrieved 2023-03-31. github.com. Provenance: wikidata.org.
[14] ↑ Wikibase EDTF — software version identifier (P348): 3.0.0. github.com. Retrieved 2025-07-10. github.com. Provenance: wikidata.org.
[15] ↑ Wikibase EDTF — software version identifier (P348): 2.1.2. github.com. Retrieved 2025-07-17. github.com. Provenance: wikidata.org.
[16] ↑ Wikibase EDTF — official website (P856): https://www.mediawiki.org/wiki/Extension:Wikibase_EDTF. MediaWiki.org. Retrieved 2025-03-29. mediawiki.org. Provenance: wikidata.org.
[17] ↑ Wikibase EDTF — official website (P856): https://professional.wiki/en/extension/wikibase-edtf. github.com. Retrieved 2025-03-29. github.com. Provenance: wikidata.org.
[18] ↑ Wikibase EDTF — official website (P856): https://github.com/ProfessionalWiki/WikibaseEdtf. github.com. Retrieved 2025-03-29. github.com. Provenance: wikidata.org.
[19] ↑ Wikibase EDTF — main subject (P921): MediaWiki. wikidata.org.
[20] ↑ Wikibase EDTF — main subject (P921): Wikibase. wikidata.org.
[21] ↑ Wikibase EDTF — main subject (P921): Extended Date/Time Format Specification. wikidata.org.
[22] ↑ Wikibase EDTF — main subject (P921): structured data. wikidata.org.
[23] ↑ Wikibase EDTF — depends on software (P1547): MediaWiki. GitHub. Retrieved 2025-07-10. github.com. Provenance: wikidata.org.

Class ancestry

[1] ↑ Wikibase EDTF is an instance of MediaWiki extension (Q6805426) [P31, primary]. 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). Wikibase EDTF. Retrieved May 3, 2026, from https://4ort.xyz/entity/wikibase-edtf

MLA “Wikibase EDTF.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/wikibase-edtf.

BibTeX

@misc{4ortxyz_wikibase-edtf_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Wikibase EDTF}}, year = {2026}, url = {https://4ort.xyz/entity/wikibase-edtf}, note = {Accessed: 2026-05-03}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Wikibase EDTF — https://4ort.xyz/entity/wikibase-edtf (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/wikibase-edtf · Last refreshed: May 3, 2026