Tz database

Tz database - collaborative compilation of information about the world's time zones. Article "Tz database" in English Wikipedia has 55.6 points for quality (as of July 1, 2025). The article contains 45 references and 25 sections.

In this language version of Wikipedia the article has the best quality. Also, this article is the most popular in that language version.

In June 2025 the article "Tz database" was edited by 1 authors in English Wikipedia and written by 1 authors in all languages.

Since the creation of article "Tz database", its content was written by 189 registered users of English Wikipedia and edited by 374 registered Wikipedia users in all languages.

The article is cited 516 times in English Wikipedia and cited 1435 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #2889 in October 2011
• Global: #11427 in October 2011

The highest popularity rank from 2008:

• Local (English): #28822 in October 2021
• Global: #42779 in June 2011

There are 18 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2025 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

#	Language	Quality grade	Quality score
1	English (en) Tz database		55.5921
2	Japanese (ja) Tz database		49.6721
3	Chinese (zh) 时区信息数据库		45.3048
4	Turkish (tr) IANA zaman dilimi veritabanı		36.7626
5	Indonesian (id) Basis Data Zona Waktu		33.7063
6	Ukrainian (uk) Tz database		32.9286
7	Russian (ru) Tz database		32.1723
8	Greek (el) Βάση δεδομένων ζωνών ώρας		31.4473
9	Basque (eu) Olson datu-basea		28.3182
10	German (de) Zeitzonen-Datenbank		27.2271

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The following table shows the most popular language versions of the article.

The most popular language versions of the article "Tz database" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Tz database		2 330 802
2	Russian (ru) Tz database		145 567
3	Japanese (ja) Tz database		118 449
4	German (de) Zeitzonen-Datenbank		90 647
5	Chinese (zh) 时区信息数据库		48 293
6	Spanish (es) TZ Database		43 883
7	French (fr) Tz database		27 160
8	Indonesian (id) Basis Data Zona Waktu		11 016
9	Turkish (tr) IANA zaman dilimi veritabanı		8 492
10	Finnish (fi) Aikavyöhyketietokanta		7 724

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The following table shows the language versions of the article with the highest popularity in the last month.

The most popular language versions of the article "Tz database" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Tz database		9 678
2	Japanese (ja) Tz database		314
3	Chinese (zh) 时区信息数据库		274
4	German (de) Zeitzonen-Datenbank		264
5	Russian (ru) Tz database		219
6	Spanish (es) TZ Database		175
7	French (fr) Tz database		143
8	Indonesian (id) Basis Data Zona Waktu		70
9	Turkish (tr) IANA zaman dilimi veritabanı		49
10	Swedish (sv) Tz database		48

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The following table shows the language versions of the article with the highest Authors’ Interest.

Language versions of the article "Tz database" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) Tz database		189
2	German (de) Zeitzonen-Datenbank		32
3	Japanese (ja) Tz database		26
4	Russian (ru) Tz database		26
5	French (fr) Tz database		22
6	Chinese (zh) 时区信息数据库		17
7	Spanish (es) TZ Database		13
8	Turkish (tr) IANA zaman dilimi veritabanı		9
9	Swedish (sv) Tz database		8
10	Esperanto (eo) Tempozona datumaro		7

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The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

Language versions of the article "Tz database" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	English (en) Tz database		1
2	Catalan (ca) Base de dades tz		0
3	German (de) Zeitzonen-Datenbank		0
4	Greek (el) Βάση δεδομένων ζωνών ώρας		0
5	Esperanto (eo) Tempozona datumaro		0
6	Spanish (es) TZ Database		0
7	Basque (eu) Olson datu-basea		0
8	Persian (fa) پایگاه داده منطقه زمانی		0
9	Finnish (fi) Aikavyöhyketietokanta		0
10	French (fr) Tz database		0

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The following table shows the language versions of the article with the highest number of citations.

Language versions of the article "Tz database" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Tz database		516
2	Japanese (ja) Tz database		226
3	Indonesian (id) Basis Data Zona Waktu		225
4	Chinese (zh) 时区信息数据库		103
5	French (fr) Tz database		76
6	Korean (ko) Tz 데이터베이스		71
7	Greek (el) Βάση δεδομένων ζωνών ώρας		65
8	Turkish (tr) IANA zaman dilimi veritabanı		62
9	Basque (eu) Olson datu-basea		45
10	Spanish (es) TZ Database		15

More...

#	Language	Value
ca	Catalan Base de dades tz
de	German Zeitzonen-Datenbank
el	Greek Βάση δεδομένων ζωνών ώρας
en	English Tz database
eo	Esperanto Tempozona datumaro
es	Spanish TZ Database
eu	Basque Olson datu-basea
fa	Persian پایگاه داده منطقه زمانی
fi	Finnish Aikavyöhyketietokanta
fr	French Tz database
id	Indonesian Basis Data Zona Waktu
ja	Japanese Tz database
ko	Korean Tz 데이터베이스
ru	Russian Tz database
sv	Swedish Tz database
tr	Turkish IANA zaman dilimi veritabanı
uk	Ukrainian Tz database
zh	Chinese 时区信息数据库

Best Rank

English: #28822 10.2021

Global: #42779 06.2011

Best Rank

English: #2889 10.2011

Global: #11427 10.2011

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The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information