Editing ISO 8601 (section)

=== Adoption as national standards ===
<!-- If possible, please specify revisions and release dates as well. In order to establish some chronology, older standards can be listed as well, but only if they were related to ISO 8601 already. -->
{| class="wikitable"
|-
! style="text-align:left" | Australia 
| AS/NZS ISO 8601.1:2021, AS/NZS ISO 8601.2:2021 (replaced AS ISO 8601-2007)
|-
! style="text-align:left" | Austria 
| ÖNORM ISO 8601 (replaced ÖNORM EN 28601)
|-
! style="text-align:left" | Belgium 
| NBN EN 28601 (1993)
|-
! style="text-align:left" | Brazil 
| NBR 5892:2019
|-
! style="text-align:left" | Canada 
| ISO 8601-1:2019/Amd 1:2022<ref>National Standard of Canada, {{Cite web |date=2022-10-24  |title=ISO 8601-1:2019/Amd 1:2022: Date and time — Representations for information interchange |url=https://scc-ccn.ca/standardsdb/standards/8179166 |access-date=2025-03-22 |website=Standards Council of Canada |language=en}}</ref>
|-
! style="text-align:left" | Colombia 
| NTC 1034:2014<ref>[https://tienda.icontec.org/gp-elementos-de-datos-y-formatos-de-intercambio-intercambio-de-informacion-representacion-de-fechas-y-horas-ntc1034-2014.html Source ICONTEC (This standard is identical to ISO 8601:2004)] {{Webarchive|url=https://web.archive.org/web/20200116023212/https://tienda.icontec.org/wp-content/uploads/pdfs/NTC1034.pdf |date=2020-01-16 }}</ref>
|-
! style="text-align:left" | China 
| GB/T 7408-2005
|-
! style="text-align:left" | Czech Republic 
| ČSN ISO 8601 (replaced ČSN EN 28601) (Obsolete as of 2019. No standard was given in exchange.<ref>{{Cite web |date=2023-04-17 |title=ČSN ISO 8601 (979738) Datové prvky a formáty výměny - Výměna informací - Zobrazení data a času |url=https://www.technicke-normy-csn.cz/csn-iso-8601-979738-241001.html |access-date=2023-04-17}}</ref>)
|-
! style="text-align:left" | Denmark 
| DS/ISO 8601:2005 (replaced DS/EN 28601)
|-
! style="text-align:left" | Estonia 
| EVS 8:2008; EVS-ISO 8601:2011
|-
! style="text-align:left" | [[European Norm]] 
| EN ISO 8601, EN 28601:1992 (cancelled 7 October 2011)
|-
! style="text-align:left" | Finland 
| SFS-EN 28601
|-
! style="text-align:left" | France 
| NF Z69-200; NF EN 28601:1993-06-01 (cancelled)
|-
! style="text-align:left" | Germany 
| DIN ISO 8601:2006-09 (replaced DIN EN 28601:1993-02); related: DIN 5008:2011-04 (replaced DIN 5008:2005-05, DIN 5008:2001-11, DIN 5008:1996-05)
|-
! style="text-align:left" | Greece 
| ELOT EN 28601
|-
! style="text-align:left" | Hungary 
| MSZ ISO 8601:2003
|-
! style="text-align:left" | Iceland 
| IST EN 28601:1992 (obsolete)
|-
! style="text-align:left" | [[India]] 
| IS 7900:2001
|-
! style="text-align:left" | Ireland 
| IS/EN 28601:1993
|-
! style="text-align:left" | Italy 
| UNI EN 28601 (1993)
|-
! style="text-align:left" | Japan 
| JIS X 0301:2002
|-
! style="text-align:left" | Korea, Republic of 
| KS X ISO 8601
|-
! style="text-align:left" | Lithuania 
| LST ISO 8601:2006 (replaced LST ISO 8601:1997)
|-
! style="text-align:left" | Luxembourg 
| ITM-EN 28601
|-
! style="text-align:left" | Mexico 
| NMX-CH-150-IMNC-1999<ref>{{Cite web |title=DOF - Diario Oficial de la Federación |url=http://dof.gob.mx/nota_detalle_popup.php?codigo=2052016 |url-status=live |archive-url=https://web.archive.org/web/20211110203252/http://dof.gob.mx/nota_detalle_popup.php?codigo=2052016 |archive-date=2021-11-10 |access-date=2021-11-10}}</ref>
|-
! style="text-align:left" | Netherlands 
| NEN ISO 8601, NEN EN 28601 (1994), NEN 2772
|-
! style="text-align:left" | New Zealand
| AS/NZS ISO 8601.1:2021, AS/NZS ISO 8601.2:2021
|-
! style="text-align:left" | Norway 
| NS-ISO 8601
|-
! style="text-align:left" | Poland 
| PN-EN 28601:2002 (Obsolete as of 2008. No standard was given in exchange.<ref>{{Cite web |last=Czubla |first=Albin |date=2020-12-04 |title=Główny Urząd Miar |url=https://www.gum.gov.pl/pl/aktualnosci/komunikaty/471,Numerowanie-tygodni-w-roku.pdf |access-date=2020-12-04 |website=Główny Urząd Miar}}</ref>)
|-
! style="text-align:left" | Portugal 
| NP EN 28601
|-
! style="text-align:left" | Russia 
| ГОСТ ИСО 8601-2001 (current), ГОСТ 7.64-90 (obsolete)
|-
! style="text-align:left" | South Africa 
| SANS 8601:2009<ref>{{Cite web |title=SANS 8601:2009 (Ed. 2.00) |url=https://store.sabs.co.za/catalog/product/view/id/216987/s/sans-8601-2009-ed-2-00/ |url-status=live |archive-url=https://web.archive.org/web/20211124053222/https://store.sabs.co.za/catalog/product/view/id/216987/s/sans-8601-2009-ed-2-00/ |archive-date=2021-11-24 |access-date=2021-11-24 |website=SABS Webstore}}</ref>
|-
! style="text-align:left" | Spain 
| UNE EN 28601:1995
|-
! style="text-align:left" | Sweden 
| SS-ISO 8601-1:2022,<ref>{{Cite web |title=SS-ISO 8601-1:2022 |url=https://www.sis.se/en/produkter/standardization/information-sciences-publishing/documents-in-administration-commerce-and-industry/ss-iso-8601-12022/ |access-date=2023-10-06 |website=SIS Webstore}}</ref> contains the official English version of ISO 8601-1:2019. (Approved 2022-05-13, replaces SS-ISO 8601:2011, edition 2)
|-
! style="text-align:left" | Switzerland 
| SN ISO 8601:2005-08 (replaced SN-EN 28601:1994)
|-
! style="text-align:left" | Taiwan 
| CNS 7648
|-
! style="text-align:left" | Thailand 
| TIS 1111:2535 (1992)
|-
! style="text-align:left" | [[Turkey]]
| [https://intweb.tse.org.tr/Standard/Standard/Standard.aspx?081118051115108051104119110104055047105102120088111043113104073099090081121118054048055097110084 TS ISO 8601-1] and [https://intweb.tse.org.tr/Standard/Standard/Standard.aspx?081118051115108051104119110104055047105102120088111043113104073088120070088100073077122088115098 TS ISO 8601-2] (Accepted from 2021-02-15)
|-
! style="text-align:left" | Ukraine 
| ДСТУ ISO 8601:2010
|-
! style="text-align:left" | United Kingdom 
| BS ISO 8601:2004, BS EN 28601 (1989-06-30)
|-
! style="text-align:left" | United States 
| ANSI INCITS 30-1997 (R2008) and NIST FIPS PUB 4-2
|-
! style="text-align:left" | Vietnam 
| [https://thuvienphapluat.vn/TCVN/linh-vuc-khac/tcvn-6398-1-1998-dai-luong-va-don-vi-khong-gian-va-thoi-gian-907037.aspx TCVN 6398-1:1998]
|}