Delta T

ΔT - Measure of variation of solar time from atomic time. Article “Delta T” in German Wikipedia has 34.5 points for quality (as of July 1, 2025). The article contains 12 references and 6 sections.

This article has the best quality in English Wikipedia. Also, this article is the most popular in that (German) language version.

In June 2025 the article “Delta T” was edited by 1 authors in German Wikipedia and written by 1 authors in all languages.

Since the creation of article “Delta T”, its content was written by 25 registered users of German Wikipedia and edited by 179 registered Wikipedia users in all languages.

The article is cited 47 times in German Wikipedia and cited 584 times in all languages.

The highest Authors Interest rank from 2001:

• Local (German): #12343 in December 2020
• Global: #2475 in October 2001

The highest popularity rank from 2008:

• Local (German): #124694 in November 2018
• Global: #288348 in November 2020

There are 9 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) ΔT (timekeeping)		46.5209
2	German (de) Delta T		34.5464
3	Malay (ms) ΔT		31.9702
4	Chinese (zh) 世界时改正数		25.7782
5	Greek (el) Δέλτα Τ		24.3224
6	Russian (ru) Дельта T		20.9732
7	Turkish (tr) ΔT		20.6878
8	Japanese (ja) ΔT		16.8894
9	Spanish (es) Delta T		3.3915

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

The most popular language versions of the article "Delta T" in all the time

#	Language	Popularity award	Relative popularity
1	Russian (ru) Дельта T		203 029
2	Spanish (es) Delta T		134 871
3	English (en) ΔT (timekeeping)		94 697
4	German (de) Delta T		87 862
5	Japanese (ja) ΔT		27 693
6	Turkish (tr) ΔT		8 544
7	Malay (ms) ΔT		3 801
8	Greek (el) Δέλτα Τ		1 776
9	Chinese (zh) 世界时改正数		916

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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 "Delta T" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) ΔT (timekeeping)		2 529
2	Russian (ru) Дельта T		418
3	German (de) Delta T		127
4	Spanish (es) Delta T		112
5	Turkish (tr) ΔT		106
6	Japanese (ja) ΔT		94
7	Chinese (zh) 世界时改正数		59
8	Greek (el) Δέλτα Τ		34
9	Malay (ms) ΔT		8

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

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

#	Language	AI award	Relative AI
1	English (en) ΔT (timekeeping)		108
2	German (de) Delta T		25
3	Russian (ru) Дельта T		16
4	Japanese (ja) ΔT		10
5	Spanish (es) Delta T		9
6	Malay (ms) ΔT		4
7	Turkish (tr) ΔT		3
8	Greek (el) Δέλτα Τ		2
9	Chinese (zh) 世界时改正数		2

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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 "Delta T" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	German (de) Delta T		1
2	Greek (el) Δέλτα Τ		0
3	English (en) ΔT (timekeeping)		0
4	Spanish (es) Delta T		0
5	Japanese (ja) ΔT		0
6	Malay (ms) ΔT		0
7	Russian (ru) Дельта T		0
8	Turkish (tr) ΔT		0
9	Chinese (zh) 世界时改正数		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 "Delta T" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) ΔT (timekeeping)		189
2	Japanese (ja) ΔT		137
3	Turkish (tr) ΔT		112
4	Malay (ms) ΔT		53
5	German (de) Delta T		47
6	Russian (ru) Дельта T		20
7	Chinese (zh) 世界时改正数		16
8	Spanish (es) Delta T		8
9	Greek (el) Δέλτα Τ		2

More...

#	Language	Value
de	German Delta T
el	Greek Δέλτα Τ
en	English ΔT (timekeeping)
es	Spanish Delta T
ja	Japanese ΔT
ms	Malay ΔT
ru	Russian Дельта T
tr	Turkish ΔT
zh	Chinese 世界时改正数

Best Rank

German: #124694 11.2018

Global: #288348 11.2020

Best Rank

German: #12343 12.2020

Global: #2475 10.2001

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In German Wikipedia the most popular articles on that day were: Gerd Knebel, Milli Vanilli, Rob Pilatus, Nicole Belstler-Boettcher, Grit Boettcher, Tötung von Alex Pretti, Fab Morvan, Emil Nielsen, Frank Farian, Fall Gil Ofarim.

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