The ISO standard date format is defined in the ISO 8601: yyyy-mm-dd. If you have any questions or suggestions regarding the accessibility of this site, please It’s time for ISO 8601.This ISO standard helps remove doubts that can result from the various day–date conventions, cultures and time zones that impact a global operation. Writing a four-digit year will at least tell you which one is the year. If you find it, the form has a year 2000 problem, and it's reasonable to assume Please visit our For example, in the United States, June 23, 1998 is often written as 06/23/98. instance, or any date after January 2, 2001 -- 01/02/01. But, that said, my first business meeting with a German remains etched … ISO 8601 defines acceptable formats for times as well; it's available in PDF form at: Any use, including reproduction requires our written permission. In Europe, it's 23.06.98 or perhaps 98/06/23. Avec ISO 8601, vous disposez d’un format normalisé pour la représentation des éléments suivants : Date; Heure du jour It gives a way of presenting dates and times that is clearly defined and understandable to both people and machines.When dates are represented with numbers they can be interpreted in different ways. 1, 1001? It unified and replaced a number of older ISO standards on various aspects of date and time notation: ISO 2014, ISO 2015, ISO 2711, ISO 3307, and ISO 4031. On an individual level this uncertainty can be very frustrating, in a business context it can be very expensive. links to the author: ISO 8601:2004 is applicable whenever representation of dates in the Gregorian calendar, times in the 24-hour timekeeping system, time intervals and recurring time intervals or of the formats of these representations are included in information interchange. What to do? Th… For example, September 27, 2012 is represented as 2012-09-27. We humans can tell that 06/23/98 All copyright requests should be addressed to only 12 months. Other dates do not fare as well -- the 12th or earlier day of any month, for want to let them know. all three forms.) (We're good for the which one is the year question in the year 2000, This page last updated 2001-12-21. This means you're free to copy and share these comics (but not to sell them). This document is a NOTE made available by the W3 Consortium fordiscussion only.This indicates no endorsement of its content, nor that the Consortium has,is, or willbe allocating any resources to the issues addressed by the NOTE. This content is no longer maintained. All the way back in 1988, the International Standards Organization (ISO) decided, for obvious reasons, that these country-specific all-numeric date formats had to go. Standardization is a truly international activity, and I’ve been lucky to have worked with more nationalities than I can remember. This document specifies representations of dates of the Gregorian calendar and times based on the 24-hour clock, as well as composite elements of them, as character strings for use in information interchange Comments on this document should be sent [email protected].

form at: This ISO 8601 format for dates has a number of good features. But February 1, 2001 or January 2, 2001? ISO 8601 dissipe toute confusion en établissant, pour la représentation de la date, un format internationalement reconnu : YYYY-MM-DD. ISO 8601-1:2019 Date and time — Representations for information interchange — Part 1: Basic rules. Buy this standard Abstract Preview.

and 98/06/23 are the same -- 23 has to be a day of the month because there are that the software that process the data entered on the form does too. For example, 01/05/12 could mean January 5, 2012, or May 1, 2012. Please send comments and reports of broken Representations for information interchange – Part 1: Basic rulesRepresentations for information interchange – Part 2: ExtensionsAll ISO publications and materials are protected by copyright and are subject to the user’s acceptance of ISO’s conditions of copyright. You might Organizing meetings and deliveries, writing contracts and buying airplane tickets can be very difficult when the date is unclear.ISO 8601 tackles this uncertainty by setting out an internationally agreed way to represent dates:For example, September 27, 2012 is represented as 2012-09-27.ISO 8601 can be used by anyone who wants to use a standardized way of presenting:We are committed to ensuring that our website is accessible to everyone. Selon ce format, la date du 27 septembre 2012 se présente sous la forme 2012-09-27.

at all.) ISO 8601 defines acceptable formats for times as well; it's available in PDF (But humans in the US might not recognize 23.06.98 as a date Looking for an unambiguous calendar-and-clock format that is internationally understood? It has been superseded by a second edition in 2000 and by the current third edition published on 3 December 2004.ISO 2014 was the standard that originally introduced the all-numeric date notation in most-to-least-significant order [YYYY]-[MM]-[DD]. ISO 8601 tackles this uncertainty by setting out an internationally agreed way to represent dates: YYYY-MM-DD. This work is licensed under a Creative Commons Attribution-NonCommercial 2.5 License. The first edition of the ISO 8601 standard was published in 1988. Or is that February This document is a submission to W3C from Reuters Limited.Please see Acknowledged Submissionsto W3Cregarding its disposition.

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