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Icelandic · íslenska

is is the locale for Icelandic (íslenska). Numbers are written 1.234.567,891, short dates look like 27.3.2026, times like 15:04, and ISK amounts like 1.234.568 kr.. Text runs left to right.

Number1.234.567,891decimal “,” group “.”

Short date27.3.2026d.M.y

Short time15:04HH:mm

Currency (ISK)1.234.568 kr.

DirectionLTRLatin

Plural forms2one, other

Overview

Name: Icelandic
Native name: íslenska
Language: Icelandic is
Script: Latin Latn (implied)
Region: 🇮🇸 Iceland IS (implied)
Maximized tag: is-Latn-IS
Direction: Left to right
Fallback chain: is
root
Data source: Own CLDR data

Formatting examples

Amounts in ISK, using the sample value 1234567.891 and March 27, 2026 at 3:04 PM UTC.

Number: 1.234.567,891
Percent: 45,7%
Currency (ISK): 1.234.568 kr.
Accounting: -1.234.568 kr.
Currency, name: 1.234.568 íslenskar krónur
Compact short: 1,2 m.
Compact long: 1,2 milljónir
Scientific: 1,235E6
Speed: 88 kílómetrar á klukkustund
Temperature: 21,5°C
Date, full: föstudagur, 27. mars 2026
Date, long: 27. mars 2026
Date, medium: 27. mar. 2026
Date, short: 27.3.2026
Time, medium: 15:04:05
Time, short: 15:04
Date and time: 27. mar. 2026, 15:04
Month and year: mars 2026
Weekday: föstudagur
Relative time: í gær · eftir 3 daga · fyrir 2 klukkustundum
List: and: A, B og C
List: or: A, B eða C

Numbers

Numbering system: latn 0123456789
Minimum grouping digits: 1
Decimal pattern: #,##0.###
Percent pattern: #,##0%
Currency pattern: #,##0.00 ¤
Accounting pattern: #,##0.00 ¤

Symbols

Decimal,

Grouping.

List separator;

Percent%

Per mille‰

Plus+

Minus-

ExponentE

Infinity∞

NaNNaN

Time separator:

Date and time patterns

Date, full: EEEE, d. MMMM y
Date, long: d. MMMM y
Date, medium: d. MMM y
Date, short: d.M.y
Time, full: HH:mm:ss zzzz
Time, long: HH:mm:ss z
Time, medium: HH:mm:ss
Time, short: HH:mm
Date and time: {1}, {0}
Skeleton yMd: d.M.y
Skeleton yMMMd: d. MMM y
Skeleton yMMMEd: E, d. MMM y
Skeleton yM: M. y
Skeleton yMMM: MMM y
Skeleton MMMd: d. MMM
Skeleton Md: d.M.
Skeleton Hm: HH:mm
Skeleton Hms: HH:mm:ss
Skeleton hm: h:mm a
Skeleton hms: h:mm:ss a
Skeleton yQQQ: QQQ y
AM / PM: f.h. / e.h.
Eras: f.Kr. / e.Kr.

Month and weekday names

Months

janúar jan.
febrúar feb.
mars mar.
apríl apr.
maí maí
júní jún.
júlí júl.
ágúst ágú.
september sep.
október okt.
nóvember nóv.
desember des.

Weekdays

sunnudagur sun. · S
mánudagur mán. · M
þriðjudagur þri. · Þ
miðvikudagur mið. · M
fimmtudagur fim. · F
föstudagur fös. · F
laugardagur lau. · L

Plural rules

Cardinal

Category	Rule	Examples
one	`t = 0 and i % 10 = 1 and i % 100 != 11 or t % 10 = 1 and t % 100 != 11`	1, 21, 31, 41, 51, 61, 71, 81, …
other	`(everything else)`	0, 2, 3, 4, 5, 6, 7, 8, …

Ordinal

Category	Rule	Examples
other	`(everything else)`	0, 1, 2, 3, 4, 5, 6, 7, …

Punctuation and alphabet

Quotation marks: „text“ nested ‚text‘
List pattern: {0}, {1} … {0} og {1}
Exemplar letters: a á b d ð e é f g h i í j k l m n o ó p r s t u ú v x y ý þ æ ö
Auxiliary letters: c q w z
Index letters: A Á B C D Ð E É F G H I Í J K L M N O Ó P Q R S T U Ú V W X Y Ý Z Þ Æ Ö