Light-second

Light-second - unit of length. Article "Light-second" in English Wikipedia has 23.5 points for quality (as of July 1, 2025). The article contains 8 references and 4 sections.

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

Since the creation of article "Light-second", its content was written by 121 registered users of English Wikipedia and edited by 327 registered Wikipedia users in all languages.

The article is cited 71 times in English Wikipedia and cited 317 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #6807 in February 2003
• Global: #12111 in February 2003

The highest popularity rank from 2008:

• Local (English): #86674 in April 2010
• Global: #115156 in April 2010

There are 20 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) Light-second		23.5118
2	Croatian (hr) Svjetlosna sekunda		23.4063
3	Czech (cs) Světelná sekunda		20.789
4	Simple English (simple) Light-second		20.7582
5	Malay (ms) Saat cahaya		13.1289
6	Arabic (ar) ثانية ضوئية		12.696
7	Chinese (zh) 光秒		12.4557
8	Portuguese (pt) Segundo-luz		9.8603
9	Persian (fa) نور-ثانیه		7.4172
10	Japanese (ja) 光秒		5.7133

More...

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

The most popular language versions of the article "Light-second" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Light-second		847 215
2	Japanese (ja) 光秒		145 839
3	Spanish (es) Segundo luz		129 258
4	Arabic (ar) ثانية ضوئية		79 321
5	Portuguese (pt) Segundo-luz		50 900
6	Chinese (zh) 光秒		50 310
7	Dutch (nl) Lichtseconde		31 533
8	Vietnamese (vi) Giây ánh sáng		21 665
9	Hungarian (hu) Fénymásodperc		21 639
10	Persian (fa) نور-ثانیه		20 005

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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 "Light-second" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Light-second		3 823
2	Czech (cs) Světelná sekunda		467
3	Japanese (ja) 光秒		350
4	Arabic (ar) ثانية ضوئية		156
5	Spanish (es) Segundo luz		156
6	Chinese (zh) 光秒		144
7	Simple English (simple) Light-second		101
8	Portuguese (pt) Segundo-luz		67
9	Hungarian (hu) Fénymásodperc		61
10	Korean (ko) 광초		53

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

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

#	Language	AI award	Relative AI
1	English (en) Light-second		121
2	Spanish (es) Segundo luz		20
3	Dutch (nl) Lichtseconde		20
4	Hungarian (hu) Fénymásodperc		16
5	Japanese (ja) 光秒		16
6	Portuguese (pt) Segundo-luz		16
7	Vietnamese (vi) Giây ánh sáng		16
8	Czech (cs) Světelná sekunda		15
9	Arabic (ar) ثانية ضوئية		13
10	Chinese (zh) 光秒		12

More...

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

Language versions of the article "Light-second" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	Czech (cs) Světelná sekunda		4
2	Arabic (ar) ثانية ضوئية		0
3	English (en) Light-second		0
4	Spanish (es) Segundo luz		0
5	Persian (fa) نور-ثانیه		0
6	Croatian (hr) Svjetlosna sekunda		0
7	Hungarian (hu) Fénymásodperc		0
8	Japanese (ja) 光秒		0
9	Korean (ko) 광초		0
10	Malay (ms) Saat cahaya		0

More...

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

Language versions of the article "Light-second" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Light-second		71
2	Persian (fa) نور-ثانیه		39
3	Japanese (ja) 光秒		36
4	Korean (ko) 광초		18
5	Portuguese (pt) Segundo-luz		16
6	Spanish (es) Segundo luz		15
7	Chinese (zh) 光秒		15
8	Arabic (ar) ثانية ضوئية		13
9	Czech (cs) Světelná sekunda		13
10	Vietnamese (vi) Giây ánh sáng		13

More...

#	Language	Value
ar	Arabic ثانية ضوئية
cs	Czech Světelná sekunda
en	English Light-second
es	Spanish Segundo luz
fa	Persian نور-ثانیه
hr	Croatian Svjetlosna sekunda
hu	Hungarian Fénymásodperc
ja	Japanese 光秒
ko	Korean 광초
ms	Malay Saat cahaya
nl	Dutch Lichtseconde
pt	Portuguese Segundo-luz
ro	Romanian Secundă-lumină
simple	Simple English Light-second
sk	Slovak Svetelná sekunda
sv	Swedish Ljussekund
tr	Turkish Işık saniyesi
uk	Ukrainian Світлова секунда
vi	Vietnamese Giây ánh sáng
zh	Chinese 光秒

Best Rank

English: #86674 04.2010

Global: #115156 04.2010

Best Rank

English: #6807 02.2003

Global: #12111 02.2003

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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