Date format by country

The legal and cultural expectations for date and time representation vary between countries, and it is important to be aware of the forms of all-numeric calendar dates used in a particular country to know what date is intended.

Writers have traditionally written abbreviated dates according to their local custom, creating all-numeric equivalents to day–month formats such as "25 October 2023" (25/10/23, 25/10/2023, 25-10-2023 or 25.10.2023) and month–day formats such as "October 25, 2023" (10/25/23 or 10/25/2023). This can result in dates that are impossible to understand correctly without knowing the context. For instance, depending on the order style, the abbreviated date "01/11/06" can be interpreted as "1 November 2006" for DMY, "January 11, 2006" for MDY, and "2001 November 6" for YMD.

The ISO 8601 format YYYY-MM-DD (2023-10-25) is intended to harmonize these formats and ensure accuracy in all situations. Many countries have adopted it as their sole official date format, though even in these areas writers may adopt abbreviated formats that are no longer recommended.

Usage map

Colour Order styles Main regions and countries
(population of each region in millions)
Total
population
(millions)
  Cyan
DMYEurope: Italy (60), Ukraine (42), Romania (19), Netherlands (17), others (65)


North America: Mexico (127), various Caribbean islands (26)
Central America: Guatemala (18), Honduras (9.2), others (19)
South America: Brazil (210), Colombia (51), Chile (19), Argentina (45), Peru (32), Venezuela (32), others (24)
North Africa: Egypt (99), Algeria (43), Morocco (35), Tunisia (12), others (11)
East Africa: Somalia (16)
West, Central, and Southern Africa: Nigeria (193), Ethiopia (99), DRC (87), Tanzania (56), Sudan (41), Uganda (40), others (323)
West Asia: Turkey (82), Iraq (40), Saudi Arabia (33), Yemen (30), others (107)
Central Asia: Tajikistan (8.9), Kyrgyzstan (6.4), Turkmenistan (5.9)
East and Southeast Asia: Malaysia (33), Indonesia (268), Thailand (66), Cambodia (16), others (8.9)
South Asia: Pakistan (212), Bangladesh (166)
Oceania: Papua New Guinea (8.6), New Zealand (5.0), others (5.5)

2,914
  Yellow
YMDChina (1,398), Japan (126), South Korea (52), North Korea (25), Taiwan (24), Hungary (12), Mongolia (3.3), Lithuania (2.8), Bhutan (0.74). 1,643
  Magenta
MDYSome U.S. island territories (0.55) 0.55
  Green
DMY, YMDIndia (1,366), Russia (147), Vietnam (95), Germany (83), Iran (82), United Kingdom (67), France (66), Myanmar (54), Spain (47), Poland (38), Uzbekistan (33), Afghanistan (32), Nepal (30), Australia (26), Cameroon (24), Sri Lanka (22), others (131) 2,317
  Blue
DMY, MDYPhilippines (107), Togo (7.5), Panama (4.2), Puerto Rico (3.2), Cayman Islands (0.63), Greenland (0.056) 122.6
  Red
MDY, YMDUnited States (328) 339
  Grey
MDY, DMY, YMDSouth Africa (60), Kenya (52), Canada (38), Ghana (30) 180

Listing

Table coding

All examples use example date 2021-03-31 / 2021 March 31 / 31 March 2021 / March 31, 2021 – except where a single-digit day is illustrated.

Basic components of a calendar date for the most common calendar systems:

D – day
M – month
Y – year

Specific formats for the basic components:

yy – two-digit year, e.g. 21
yyyy – four-digit year, e.g. 2021
m – one-digit month for months below 10, e.g. 3
mm – two-digit month, e.g. 03
mmm – three-letter abbreviation for month, e.g. Mar
mmmm – month spelled out in full, e.g. March
d – one-digit day of the month for days below 10, e.g. 2
dd – two-digit day of the month, e.g. 02
ddd – three-letter abbreviation for day of the week, e.g. Fri
dddd – day of the week spelled out in full, e.g. Friday

Separators of the components:

/ – oblique stroke (slash)
. – full stop, dot or point (period)
- – hyphen (dash)
– space
Country All-numeric date format Details ISO 8601
YMD DMY MDY
AfghanistanYesYesNoShort format: d/m/yyyy (Year first, month, and day in right-to-left writing direction)

Long format: yyyy mmmm d (Day first, full month name, and year in right-to-left writing direction)

ÅlandYesYesNoShort format: yyyy-mm-dd

Long format: d mmmm yyyy

AlbaniaYesYesNodd/mm/yyyy
Some YMD[1][2][3]
AlgeriaNoYesNo[4] (dd/mm/yyyy)[5]
American SamoaNoNoYes(mm/dd/yy)
AndorraNoYesNo
AngolaNoYesNo
AnguillaNoYesNo
Antigua and BarbudaNoYesNo
ArgentinaSometimesYesNoNumeric format: yyyyMMdd (Example: 20030613)

Short format: dd/mm/yy (Example: 13/06/03)
Medium format: dd/mm/yyyy (Example: 13/06/2003)
Long format: d' de 'mmmm' de 'yyyy (Example: 13 de junio de 2003)
Full format: dddd d' de 'mmmm' de 'yyyy (Example: viernes 13 de junio de 2003).[6]

ArmeniaNoYesNo(dd.mm.yyyy)[7][8]
ArubaNoYesNo[9]
AustraliaYesYesNommmm d, yyyy is sometimes used, usually informally in the mastheads of magazines and newspapers,[10][11] and in advertisements, video games, news, and TV shows, especially those emanating from the United States. MDY in numeric-only form is never used.

The ISO 8601 date format (2023-10-25) is the recommended short date format for government publications.[12]

AS ISO 8601-2007
AustriaYesYesNo(Using dots (which denote ordinal numbering) as in d.m.(yy)yy or sometimes d. month (yy)yy).[13][14] ÖNORM ISO 8601
AzerbaijanNoYesNo(dd.mm.yyyy)[15]
BahamasNoYesNo
BahrainNoYesNo[16]
BangladeshNoYesNoNot officially standardised. Bengali calendar dates are also used: দদ-মম-বববব
BarbadosNoYesNo BNS 50:2000[17]
BelarusNoYesNo(dd.mm.yyyy)[18][19]
BelgiumNoYesNo(dd/mm/yyyy)[20] or (dd.mm.yyyy)[21][22] NBN Z 01-002
BelizeNoYesNo[23][24]
BeninNoYesNo
BermudaNoYesNo
BhutanYesNoNo
BoliviaNoYesNo[25]
BonaireNoYesNo
Bosnia and HerzegovinaNoYesNo(d. m. yyyy. or d. mmmm yyyy.)
BotswanaYesYesNoyyyy-mm-dd for Setswana and dd/mm/yyyy for English
BrazilNoYesNo(dd/mm/yyyy)[26][27]
British Indian Ocean TerritoryNoYesNo
British Virgin IslandsNoYesNo
BruneiNoYesNo[28]
BulgariaNoYesNo(dd.mm.yyyy)[29][30]
Burkina FasoNoYesNo
BurundiNoYesNo
CambodiaNoYesNoShort format: dd/mm/yy

Long format: d mmmm yyyy

CameroonYesYesNo(d)d/(m)m/yyyy or d mmmm yyyy for Aghem, Bafia, Basaa, Duala, English, Ewondo, French, Fula, Kako, Kwasio, Mundang, Ngiemboon and Yangben

yyyy-mm-dd for Meta' and Ngomba

CanadaYesYesYesISO 8601 is the only format that the Government of Canada and Standards Council of Canada officially recommend for all-numeric dates.[31][32][33] However, usage differs with context.[34][35]

All three long forms are used in Canada.

For English speakers, MDY (mmmm-dd-yyyy) (example: April 9, 2019) is used by many English-language publications and media company products as well as the majority of government documents written in English.[36]

For French and English speakers, DMY (dd-mmmm-yyyy) is used (example: 9 April 2019/le 9 avril 2019). This form is used in formal letters, academic papers, military, many media companies and some government documents, particularly in French-language ones.

Federal regulations for shelf life dates on perishable goods mandate a year/month/day format, but allow the month to be written in full, in both official languages, or with a set of standardized two-letter bilingual codes such as 2019 JA 07 or 19 JA 07.

CAN/CSA-Z234.4-89 (R2007)[37]
Cape VerdeNoYesNo
Cayman IslandsNoYesYesDMY and MDY are used interchangeably. Official forms generally tend towards DMY. Month is often spelled out to avoid confusion.
Central African RepublicNoYesNo
ChadNoYesNo
ChileNoYesNo[38] In Chile the format dd/mm/yyyy is used only, or you can also say "3 June 2023" or in Spanish "3 de junio del 2023"You can also use the short format, example "03/06/23".
ChinaYesNoNoNational standard format is yyyy-mm-dd (with leading zeroes) and (yy)yy(m)m(d)d (with or without leading zeroes)[39]

Uyghur languages in Xinjiang usually give date examples in the form 2017-يىل 18-ئاۋغۇست or 2017-8-18 (i.e. yyyy-d-mmm) but this form is never used when writing in Chinese;[40] casually many people use (yy)yy/(m)m/(d)d or (yy)yy.(m)m.(d)d (with or without leading zeroes). See Dates in Chinese.

GB/T 7408-2005
Christmas IslandYesYesNo
Cocos (Keeling) IslandsYesYesNo
ColombiaNoYesNo[41]
ComorosNoYesNo
Congo
(East and West)
NoYesNo
Cook IslandsNoYesNo
Costa RicaNoYesNo[42]
CroatiaNoYesNo(d. m. yyyy. or d. mmmm yyyy.)[43][44] See Date and time notation in Croatia for details on cases used.
CubaYesYesNo[45]
CuraçaoNoYesNo
CyprusNoYesNodd/mm/yyyy [46]
Czech RepublicYesYesNo(d. m. yyyy or d. month yyyy)[47][48] ČSN ISO 8601
DenmarkYesYesNoExamples: Long date: 7. juni 1994. Long date with weekday: onsdag(,) den 21. december 1994. Numeric date: 1994-06-07[49]

(The format dd.mm.(yy)yy is the traditional Danish date format.[50] The international format yyyy-mm-dd or yyyymmdd is also accepted, though this format is not commonly used. The formats d. 'month name' yyyy and in handwriting d/m-yy or d/m yyyy are also acceptable.[51])

DS/ISO 8601:2005[52]
DjiboutiYesYesNoShort format: dd/mm/yyyy (Day first, month number and year in left-to-right writing direction) in Afar, French and Somali ("d/m/yy" is a common alternative). Gregorian dates follow the same rules but tend to be written in the yyyy/m/d format (Day first, month number, and year in right-to-left writing direction) in Arabic language.

Long format: d mmmm yyyy or mmmm dd, yyyy (Day first, full month name, and year or first full month name, day, and year, in left-to-right writing direction) in Afar, French and Somali and yyyy ،mmmm d (Day first, full month name, and year in right-to-left writing direction) in Arabic

DominicaNoYesNo
Dominican RepublicNoYesNo[53]
East TimorNoYesNo
EcuadorNoYesNo[54]
EgyptNoYesNo[55][56][57]
El SalvadorNoYesNo[58]
Equatorial GuineaNoYesNo(dd/mm/yyyy or d mmmm yyyy) for French and Spanish
EritreaYesYesSometimesShort format: dd/mm/yyyy for Afar, Bilen, English, Saho, Tigre and Tigrinya. Gregorian dates follow the same rules but tend to be written in the yyyy/m/d (Day first, month number and year in right-to-left writing direction) format in Arabic language.

Long format: D MMMM YYYY (Day first, full month name, and year in left-to-right writing direction) for Bilen, English, Tigre and Tigrinya, YYYY ،MMMM D (Day first, full month name, and year in right-to-left writing direction) for Arabic and MMMM DD, YYYY (First full month name, day and year in left-to-right writing direction) for Afar and Saho

EstoniaSometimesYesNodd.mm.yyyy, d.m.(yy)yy or d. mmmm yyyy (mmmm may be substituted by Roman numerals). In more formal, international contexts yyyy-mm-dd is the preferred allowed format.[59]
EswatiniYesYesNoYMD (in Swati), DMY (in English)
EthiopiaNoYesSometimes(dd/mm/yyyy or dd mmmm yyyy) for Amharic, Tigrinya and Wolaytta

(dd/mm/yyyy or mmmm dd, yyyy) for Afar, Oromo and Somali[60]

Falkland IslandsNoYesNo
Faroe IslandsNoYesNo
Federated States of MicronesiaNoNoYes[61]
FinlandNoYesSometimesFinnish: d.m.yyyy[62] or in long format d. mmmm yyyy
Inari Sami: mmmm d. p. yyyy
Northern Sami: mmmm d. b. yyyy
Skolt Sami: mmmm d. p. yyyy
Swedish: d mmmm yyyy
(Note: Month and year can be shortened)
FijiNoYesNo[63]
FranceYesYesNo(dd/mm/yyyy) for Alsatian, Catalan, Corsican, French and Occitan[64][65]

(yyyy-mm-dd) for Breton, Basque and Interlingua

NF Z69-200
French GuianaNoYesNo
French PolynesiaNoYesNo
GabonNoYesNo
GambiaNoYesNo
GeorgiaNoYesNo(dd.mm.yyyy) (In Georgian calendar dates, century digits may be omitted, e.g., dd-mm-yy.)
GermanyYesYesNoThe format dd.mm.yyyy using dots (which denote ordinal numbering) is the traditional German date format.[66] Since 1996-05-01, the international format yyyy-mm-dd has become the official standard date format, but the handwritten form d. mmmm yyyy is also accepted (see DIN 5008). Standardisation applies to all applications in the scope of the standard including uses in government, education, engineering and sciences. Since 2006, the old format (d)d.(m)m.(yy)yy is allowed again as alternative to the yyyy-mm-dd format in areas where there is no risk of ambiguation. See Date and time notation in Europe. DIN ISO 8601:2006-09, used in DIN 5008:2011-04[67]
GhanaYesYesYes(yyyy/mm/dd) for Akan

(dd/mm/yyyy)

(m/d/yyyy) for Ewe

GibraltarNoYesNo
GreeceNoYesNo[68][69] ELOT EN 28601
GreenlandNoYesYesDanish: d. mmmm yyyy
Greenlandic: mmmm d.-at, yyyy[70]
GrenadaNoYesNo
GuadeloupeNoYesNo
GuamNoNoYes
GuatemalaNoYesNoShort format: dd/mm/yyyy

Long format: d de mmmm de yyyy or dddd, d de mmmm de yyyy[71]

GuernseyNoYesNo
GuineaYesYesSometimesShort format: dd/mm/yyyy (Day first, month and year in left-to-right writing direction) in French and Fulah. Gregorian dates follow the same rules but tend to be written in yyyy/mm/dd (Day first, month number, and year in right-to-left writing direction) format in N'ko language.

Long format: D MMMM YYYY (Day first, month and year in left-to-right writing direction) for French and Fulah and YYYY, DD MMMM (First full month name, day, and year in right-to-left writing direction) for N'ko

Guinea-BissauNoYesNo
GuyanaNoYesNo
HaitiNoYesNo
Hong KongYesYesRarely(yy)yy(m)m(d)d (if without leading zeros) for Chinese[72] and in British English, (d)d/(m)m/(yy)yy in short format. d mmmm yyyy (Casually many people use with commas: d mmmm, yyyy) in long format.

Both expanded forms dd-mmmm-yyyy and mmmm-dd-yyyy are used interchangeably in Hong Kong, except the latter was more frequently used in media publications and commercial purpose, such as The Standard.

HondurasNoYesNo[73]
HungaryYesNoNoyyyy. mm. (d)d.

The year is written in Arabic numerals. The name of the month can be written out in full or abbreviated, or it can be indicated by Roman numerals or Arabic numerals. The day is written in Arabic numerals.[74][75][76][77]

MSZ ISO 8601:2003
IcelandNoYesNo(dd.mm.yyyy)[78][79] IST EN 28601:1992
IndiaYesYesSometimesIn India, the dd-mm-yyyy is the predominant short form of the numeric date usage. Almost all government documents need to be filled up in the dd-mm-yyyy format. An example of dd-mm-yyyy usage is the passport application form.[80][81][82] Though not yet a common practice, the BIS (Bureau of Indian Standards) of the Government of India introduced the standard named "IS 7900:2001 (Revised in 2006) Data Elements And Interchange Formats – Information Interchange – Representation Of Dates And Times" which officially recommends use of the date format yyyy-mm-dd; for example, 2013-09-10, 20130910, or 2013 09 10 for the date 10 September 2013. Dates in the Bodo language are in mm/dd/yyyy.

The majority of English-language newspapers and media publications in India use mmmm dd, yyyy.

IS 7900:2001
IndonesiaNoYesRarelyOn English-written materials, Indonesians tend to use the M-D-Y but was more widely used in non-governmental contexts.
English-language governmental and academic documents use DMY.
Iran, Islamic Republic ofYesYesNoShort format: yyyy/mm/dd[83] in Persian Calendar system ("yy/m/d" is a common alternative). Gregorian dates follow the same rules in Persian literature but tend to be written in the dd/mm/yyyy format in official English documents.[84]

Long format: YYYY MMMM D (Day first, full month name, and year in right-to-left writing direction)[83]

IraqNoYesNoShort format: (dd/mm/yyyy)[85]
IrelandNoYesNo(dd-mm-yyyy). dd/mm/yyyy is also in common use[86][87] IS/EN 28601:1993
Isle of ManNoYesNo
IsraelNoYesNoThe format dd.mm.yyyy using dots is the common format. dd/mm/yyyy is also in common use. The Jewish calendar is in limited use, mainly for Jewish holidays, and follows the DMY format.[88][89][90]
ItalyNoYesNo(dd/mm/yyyy)[91] UNI EN 28601
Ivory CoastNoYesNo
JamaicaYesYesNo[92]
Jan MayenNoYesNo
JapanYesNoNoOften in the form yyyymmdd;[93] sometimes Japanese era year is used, e.g. 平成18年12月30日.[94] JIS X 0301:2002
JerseyNoYesNo
JordanNoYesNo[95][96]
KazakhstanSometimesYesNoShort format: (yyyy.dd.mm) in Kazakh[97] and (dd.mm.(yy)yy) in Russian[98] Long format: yyyy 'ж'. d mmmm in Kazakh;[99] d MMMM yyyy in Russian

Full format in Kazakh: yyyy 'ж'. dd mmmm

KenyaYesYesYes(yy/mm/dd)[100]

(dd/mm/yyyy)

(m/d/yyyy) for Swahili[101]

KiribatiNoYesNo
North KoreaYesNoNo[102]
South KoreaYesNoNo National standard format is yyyy-mm-dd (with leading zeroes) and (yy)yy (m)m (d)d (with or without leading zeroes)[39][103]

casually many people use (yy)yy.(m)m.(d)d(.) (with or without leading zeroes, with or without the last full stop).

KS X ISO 8601
KosovoNoYesNo
KuwaitNoYesNo[104]
Kyrgyz RepublicNoYesNo(dd.mm.yyyy)[105]
Lao People's Democratic RepublicNoYesNo[106][107]
LatviaNoYesNoShort format: dd.mm.yyyy.[108]

Long format: yyyy. gada d. mmmm

LebanonNoYesNo[109]
LesothoYesYesNoyyyy-mm-dd for Sesotho and dd/mm/yyyy for English
LiberiaNoYesNo
LibyaNoYesNo[110]
LiechtensteinNoYesNo(dd.mm.yyyy)[111]
LithuaniaYesNoNo(yyyy-mm-dd)[112]

yyyy <m.> <month in genitive> d <d.>

LST ISO 8601:1997 (obsolete) LST ISO 8601:2006 (current)[113]
LuxembourgNoYesNo(dd.mm.yyyy)[114] ITM-EN 28601
MacauYesYesNoYMD(年月日)

(same as Hong Kong)[115]

DMY (in Portuguese and British English)

MadagascarNoYesNo
MalawiNoYesNo
MalaysiaNoYesNodd-mm-yyyy[116]
MaldivesYesYesNoShort format: yy/mm/dd (Day first, month next and year last in right-to-left writing direction)

Long format: dd mmmm yyyy (Year first, full month name and day last in right-to-left writing direction)

MaliNoYesNo
MaltaNoYesNo
Marshall IslandsNoNoYes[117]
MartiniqueNoYesNo
MauritaniaNoYesNo
MauritiusNoYesNo
MayotteNoYesNo
MexicoNoYesNo[118] NOM-008-SCFI-2002
MoldovaNoYesNo
MonacoNoYesNo[119]
MongoliaYesNoNoNational standard format is yyyy-mm-dd (with leading zeroes) and yyyy оны (m)m сарын (d)d (with or without leading zeroes)

Traditional Mongolian languages in Mongolia usually give date examples in the form 2017ᠣᠨ ᠵᠢᠷᠭᠤᠳᠤᠭᠠᠷ ᠰᠠᠷ᠎ᠠ 2ᠡᠳᠦᠷ but this form is never used when writing in Mongolian Cyrillic; casually many people use yyyy/(m)m/(d)d or yyyy.(m)m.(d)d (with or without leading zeroes).[120]

MNS-ISO 8601
MontenegroNoYesNoBoth d.m.yyyy. and dd.mm.yyyy. are accepted. A period is used as a separator and after the year because the Montenegrin language writes these numbers as ordinal numbers that are written as the corresponding cardinal number, with a period at the end.[121]
MontserratNoYesNo
MoroccoNoYesNo[122]
MozambiqueNoYesNo
MyanmarYesYesNoYMD for Burmese calendar. DMY for Gregorian calendar.
Nagorno-Karabakh RepublicNoYesNo(dd.mm.yyyy)[15][8]
NamibiaYesYesNoDMY[123]
NauruNoYesNo
NepalYesYesSometimesDMY, YMD in official Nepali Vikram Samvat calendar (also see Nepal Sambat which is also in use); MDY in Gregorian dates are used for newspapers (English language) and PCs[124]
NetherlandsNoYesNoUsing hyphens as in "dd-mm-yyyy".[125] NEN ISO 8601, NEN EN 28601, NEN 2772
New CaledoniaNoYesNo
New ZealandNoYesNo[126]
NicaraguaNoYesNo[127]
NigerNoYesNo
NigeriaNoYesSometimesShort format: (d)d/(m)m/(yy)yy for Edo, English, Fulani, Hausa, Ibibio, Igbo, Kanuri and Yoruba language[128]
Long format: d mmmm yyyy for English, Hausa and Igbo and mmmm dd, yyyy for Edo, Fulani, Ibibio, Kanuri and Yoruba language
NiueNoYesNodd/mm/yyyy
Norfolk IslandNoYesNo
North MacedoniaNoYesNo(dd.mm.yyyy)[129]
Northern Mariana IslandsNoNoYes[130]
NorwayYesYesRarelydd.mm.yyyy; leading zeroes and century digits may be omitted, e.g., 10.02.16; ddmmyy (six figures, no century digits, no delimiters) allowed in tables. ISO dates yyyy-mm-dd can be used for "technical" purposes. The fraction form d/m-y is incorrect, but is common and considered passable in handwriting. Lule Sami and Southern Sami dates mmmm d. b. yyyy.[131] NS-ISO 8601[132]
OmanNoYesNo[133]
PakistanNoYesNo
Palestine (Palestinian Authority, West Bank and Gaza Strip)NoYesNo(dd/mm/yyyy)
PalauNoYesRarely[134] Formerly including: (m)m/(d)d/(yy)yy in English and (yy)yy/m(m)/(d)d in Japanese
PanamaNoYesYesShort format: mm/dd/yyyy
Long format: d de mmmm de yyyy[135]
Papua New GuineaNoYesNo
ParaguayNoYesNo[136]
PeruNoYesNo[137]
PhilippinesNoYesYesLong formats:
English: mmmm d, yyyy
DMY dates are also used occasionally, primarily by, but not limited to, government institutions such as on the data page of passports, and immigration and customs forms.
Filipino: ika-d ng mmmm(,) yyyy[138]
(Note: Month and year can be shortened. Filipino dates may also be written in mmmm d, yyyy format in civil use but still pronounced as above.)

Short/numerical format: mm/dd/yyyy for both languages.
Pitcairn IslandsNoYesNo
PolandYesYesNoTraditional format (DMY): (dd.mm.yyyy,[139] often with dots as separators; more official is d <month in genitive> yyyy, or, less frequently, d <month in Roman numerals> yyyy)[140][141]

Official format (YMD): The ISO 8601 YYYY-MM-DD format is used in official documents, banks, computer systems and the internet in Poland.

PN-90/N-01204
PortugalYesYesNoMostly (dd/mm/yyyy) and (dd-mm-yyyy); some newer documents use (yyyy-mm-dd).[142] NP EN 28601
Puerto RicoNoYesYesEnglish: mmmm d, yyyy
Spanish: d de mmmm de yyyy
QatarNoYesNo[143]
RéunionNoYesNo
RomaniaNoYesNo(dd.mm.yyyy)[144][145] Also widely used: (d)d-mmm-yyyy (3 letters of month name with the notable exception of Nov for November, which would otherwise be noiembrie) and (d)d-XII-yyyy (month number as a Roman numeral with lines above AND below, slowly deprecating)
Russian FederationYesYesNo

yyyy-mm-dd
dd.mm.yyyy

(dd.mm.(yy)yy);[146] more official is d <month in genitive> yyyy г. (= g., short for goda, i.e. year in genitive) Bashkir, Ossetian, Sakha and Tatar languages in Russia usually give date examples in the form 22 май 2017 й, 22 майы, 2017 аз, ыам ыйын 22 күнэ 2017 с., 22 май 2017 ел but this form is never used when writing in Russian.

GOST R 7.0.64-2018
GOST R 7.0.97-2016
RwandaYesYesNo(yyyy/mm/dd or yyyy mmmm dd) for Kinyarwanda

(dd/mm/yyyy or d mmmm yyyy) for English and French

SabaNoYesNo
Saint BarthélemyNoYesNo
Saint Helena, Ascension and Tristan da CunhaNoYesNo[147]
Saint Kitts and NevisNoYesNo
Saint LuciaNoYesNo
Saint MartinNoYesNo[148]
Saint Pierre and MiquelonNoYesNo
Saint Vincent and the GrenadinesNoYesNo
SamoaNoYesNo
San MarinoNoYesNo
São Tomé and PríncipeNoYesNo
Saudi ArabiaNoYesNo(dd/mm/yyyy in Islamic and Gregorian calendar systems,[149][150]
SenegalNoYesNo
SerbiaNoYesNo(d.m.yyyy. or d. mmmm yyyy.)[151][152][153][154]
SeychellesNoYesNo
Sierra LeoneNoYesNo
SingaporeYesYesSometimes(Chinese representation: yyyymd, no leading zeroes)[155]

DMY in English, Malay and Tamil languages[156]

MDY (in long format) also sometimes used, especially in media publications, commercial usage, and some governmental websites.

Sint EustatiusNoYesNo
Sint MaartenNoYesNo
SlovakiaNoYesNo(d. m. yyyy)[157]
SloveniaNoYesNo

(d. m. yyyy or d. mmmm yyyy)[158]

Solomon IslandsNoYesNo
SomaliaNoYesNoShort format: dd/mm/yyyy
South AfricaYesYesSometimes(yyyy/mm/dd and dd mmmm yyyy) in English
(yyyy-mm-dd and dd mmmm yyyy) in Afrikaans[159]
(yyyy-mm-dd and yyyy mmmm d) in Xhosa[160]
MDY in Zulu[161]
SANS 8601:2009[162]
SpainYesYesNo(dd/mm/yyyy) for Asturian, Catalan, Galician, Spanish and Valencian[163]

(yyyy/mm/dd) for Basque[164]

UNE EN 28601
Sri LankaYesYesRarely(yyyy-mm-dd) for Sinhala and (d-m-yyyy) for Tamil

English-language media and commercial publications use Month-day-year in long format, but only Day-month-year format (both long and short numeric) are used in governmental and other English documents of official contexts.

SudanNoYesNo
South SudanNoYesNo
SurinameNoYesNo
SvalbardNoYesNo
SwedenYesYesNoNational standard format is yyyy-mm-dd.[165] dd.mm.yyyy format is used in some places where it is required by EU regulations, for example for best-before dates on food[166] and on driver's licenses. d/m format is used casually, when the year is obvious from the context, and for date ranges, e.g. 28-31/8 for 28–31 August.

The textual format is "d mmmm yyyy" or "den d mmmm yyyy".

SS-ISO 8601
SwitzerlandNoYesNo(dd.mm.yyyy or d. mmmm yyyy) for French, German, Italian and Romansh[167][168] SN ISO 8601:2005-08
Syrian Arab RepublicNoYesNo[169]
TaiwanYesNoNoShort format: yyyy/(m)m/(d)d[170] or yyyy-mm-dd[171]

Long format: yyyymd, in most context year is represented using ROC era system: 民國95年12月30日.[172]

CNS 7648
TajikistanNoYesNo(dd.mm.yyyy)[173]
TanzaniaNoYesNo
ThailandNoYesNodd/mm/yyyy (in governmental sector with Buddhist Era years instead of Common Era)[174] TIS 1111:2535 in 1992
TogoNoYesYes(dd/mm/yyyy) in French and (mm/dd/(yy)yy) in Ewe
TokelauNoYesNo
TongaNoYesNo
Trinidad and TobagoNoYesNo[175]
TunisiaNoYesNo[176]
TurkeyNoYesNoShort format: dd.mm.yyyy[177][178] Long format: d mmmm yyyy

Full format: d mmmm yyyy dddd[179]

TurkmenistanNoYesNo(dd.mm.(yy)yy ý.), yyyy-nji ýylyň d-nji mmmm[180][181]
Turks and Caicos IslandsNoYesNo
TuvaluNoYesNo
UgandaNoYesNo
UkraineNoYesNo(dd.mm.(yy)yy;[182][183] some cases of dd/mm/yyyy[184])
United Arab EmiratesNoYesNo[185][186]
United KingdomYesYesNoMost style guides follow the DMY convention by recommending d mmmm yyyy (sometimes written dd/mm/yyyy) format in articles (e.g. The Guardian's, and the Oxford Style Manual).[187][188]

Some newspapers use dddd mmmm d, yyyy for both the banner and articles,[189] while others stick to DMY for both.[190]

In addition, YMD with four-digit year is used increasingly especially in applications associated with computers, and as per British standard BS ISO 8601:2004,[191] avoiding the ambiguity of the numerical versions of the DMY/MDY formats.

BS ISO 8601:2004
United States Minor Outlying IslandsNoNoYesSame as the US
United States of AmericaYesRarelyYes(Civilian vernacular: m/d/yy or m/d/yyyy;[192][193] other formats, especially d mmm(m) yyyy (but no short DMY formats) and yyyy-mm-dd (but rarely any other short YMD formats and rarely any long YMD formats), are sometimes prescribed or used—particularly in military, academic, scientific, computing, industrial, or governmental contexts. See Date and time notation in the United States.) ANSI INCITS 30-1997 (R2008) and NIST FIPS PUB 4-2
United States Virgin IslandsNoNoYes[194]
UruguayNoYesNo[195][196]
UzbekistanYesYesNo(dd.mm.yyyy Cyrillic, dd/mm yyyy Latin)[197][198][199]
VanuatuNoYesNo
Venezuela, Bolivarian Republic ofNoYesNo[200][201][202]
VietnamYesYesSometimesLong format: "Ngày (d)d tháng (m)m năm yyyy" (leading zeros required by Circular No. 01/2011/TT-BNV by the Ministry of Home Affairs)[203] or ngày (d)d tháng (month in textform) năm yyyy.

Short format (interchangeably): (d)d/(m)m/yyyy or (d)d-(m)m-yyyy; (d)d.(m)m.yyyy is also in use.[204]

In English documents:

  • Short format: yyyy-mm-dd[205]
  • Long format: mmmm d, yyyy[206]

In historical documents: era names năm thứ _ tháng [m]m (or in textform) ngày(mồng) [d]d (or in textform).

Wallis and FutunaNoYesNo
YemenNoYesNo[207][208]
ZambiaNoYesNo
ZimbabweYesNoNo[209]

See also

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