ISO 8601 ISO Individual Standards Standards

This category is for sites with information and comments about International Standard ISO 8601, the Date and Time Standard now officially adopted in nearly every country of the world. This standard defines various formats based on Year-Month-Day for Dates, and Hours:Minutes:Seconds for Time, as well as covering the numbering of Days within the Year, Months and Weeks within the Year, and Days within the Week. Click the ISO 8601 link above to access this reference section and the further links to various other ISO 8601 information sites.

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• New Date - A private site about the advantages of using ISO 8601-style dates.
  
• Standards for Representing Dates - Useful overview and discussion on adopting ISO standards and four-digit year formats as part of Y2K readiness and future-proofing of software - University of California at Berkeley.
  
• Implementation of the ISO 8601 Standard - A list of countries around the world that have adopted the ISO 8601 standard, also lists equivalent national standards numbers where applicable.
  
• Date Formats: ISO 8601 - Information about the International Date Standard - by Nick Renton.
  
• ISO Week Algorithm - An algorithm for converting Gregorian Calendar Dates to the ISO 8601 Week Date format (Y2K Compliant).
  
• Use International Date Format - How and why to use international date format in your document - from the W3C QA section.
  
• ISO note on the standard - Brief description of the standard from the publishers themselves.
  
• 54 Weeks in 2000 : Another Y2K Problem! - A short discussion about week numbering, showing how the ISO 8601 standard had fixed a Y2K problem, long before it was noticed in other non-ISO week-numbering schemes.
  
• Date and Time on the Internet - Timestamps - Document: draft-ietf-impp-datetime-05 - An updated proposal to use a limited subset of ISO-compliant date formats for date stamps on the Internet - by Chris Newman.
  
• The Y2K Problem, UIC, and You - Describes Year 2000 fixes for computer systems, mainly based on using the ISO 8601 standard for dates.
  
• Information on ISO 8601, the date and time representation standard - A short description of and motivation for ISO 8601, the date and time representation standard, with links to more detailed resources - by Jukka Korpela in Finland.
  
• Javascript Code - Parsing ISO 8601 Date/Times in JavaScript.
  
• Use ISO 8601 and Drop mm/dd/yy and am/pm - Justin JIH, a Taiwanese American, sets out the reasons why adopting the YYYY-MM-DD date format is preferred. Includes useful links to further resources.
  
• Week Numbers In Excel - How to calculate absolute week numbers, Excel week numbers and ISO week numbers (with Formula and VBA). Links to other ISO 8601 related materials.
  
• ISO 8601 Date and Time - Converting and Implementing - How to implement the use of the Year-Month-Day Date format in various computer systems - includes some programming examples and the 'Date Format Poll' - by Nikolai Sandved in Norway.
  
• Problem F - Standard Dates (50 Points) - A problem set for computer studies students involving programming using the ISO 8601 date format.
  
• Using ISO 8601 Dates - ISO 8601 Dates: What they are and why they're good - University of Illinois at Chicago in the USA.
  
• Dated Material - Is the Y2K Problem Really Over? - Discussion about the use and misuse of various date formats - Intelligent Enterprise Magazine - Celko.
  
• Date and Time on the Internet - A proposal to use the ISO date format for Internet applications - by Chris Newman.
  
• Various Date and Time Format Miscellany - by J R Stockton - Covers written date and time formats, ISO Standard 8601 (with links) and converting to and from Roman Numbers. Discusses reforming American format dates as well as JavaScript and non-text formats.
  
• W3C Date and Time Formats - Defines a profile of ISO 8601 referenced by the W3C HTML recommendation.
  
• Changing Your Operating System's Default Date Format - Changing your operating system's default date format to use four-digit years - University of California at Berkeley.
  
• Mac OS X 10.0: How to Set Date and Time to ISO 8601:1988 Standard - Apple support document.
  
• UN/ECE Trade Facilitation Recommendation 07 - The United Nations Economic Commission for Europe - Working Party on Facilitation of International Trade Procedures - Recommendation 07 - Numerical Representation of Dates, Time and Periods of Time. [PDF]
  
• The Best Of Dates, The Worst Of Dates - Just because Y2K is over, doesn't mean programmers are done creating date bugs - covers many date and time issues, especially ISO 8601 - by Gilbert Healton.
  
• International Date Format Campaign - Describes and lists many reasons why the ISO 8601 standard should be more widely adopted in Computing, on the Internet, and in everyday life - by Steve Adams in England.
  
• Date and Time Notation - Macintosh Procedure for ISO 8601 Format - Setting up your Mac to use the Year-Month-Day date format. Instructions are for MAC OS 7, but are easily adapted for later versions.
  
• The Mathematics of the ISO 8601 Calendar - A comprehensive document covering how week numbers are calculated using the ISO 8601 calendar system. Includes links to many further resources.
  
• W3C I18N Q&A: Date formats - Discussion of date formats for internationalisation.
  
• The Many Dates and Times of Perl - A tour of the many date and time handling modules on the CPAN - by Dave Rolsky.
  
• Mac OS 9: How to Set Date and Time to ISO 8601:1988 Standard - Apple support document.
  
• Project 2038 FAQ - Description of computer problems with date/time calculations coming in year 2038.
  
• ISO 8601 Date/Time Representations - A simple introduction to ISO 8601 date and time formats - University of Wellington in New Zealand.
  
• Issues about Date and Time - by Clive D.W. Feather.
  
• Schema Time Changes (Draft) - Useful information about date and time - by M. Davis.
  
• The Code Project: C# Programming - Free source code and tutorial for a Gregorian Date To ISO Date Converter for Windows.
  
• Date and Time Notation - Windows Procedure for ISO 8601 Format - Setting up your PC to use the Year-Month-Day date format. Instructions are for Windows 95, but are easily adapted for later versions.
  
• The ISO Date Format - Discussion of formats for expressing dates, with particular reference to the ISO 8601 date format - by Peter Meyer.
  
• Standards to be obeyed by the masses: Representing temporal and monetary data on the web - A well researched paper into the usage of various Date and Time, and Monetary, formats on the Internet which recommends the widespread adoption of ISO 3166, ISO 4217, and ISO 8601 - by Gerhard Knolmayer. [PDF]
  
• Calculating the ISO week number - by Jan Stout. - WeekNumber Calculation Explanation.
  
• Date and Time: Week Numbers - Windows date and time locale tables sorted both by country order and by definition order - by Peter J Haas in Germany.
  
• ISO 8601 - A short introduction to the ISO 8601 format.
  
• The ISO Week Date Calendar - A calendar of weeks based on the ISO 8601 week notation - convert any date into week number and day number.
  
• Delphi 32 - Components: Date & Time: Clocks - ISO Week Number (Program Code) - Here's some code that generates the weeknumber for a given date in accordance with ISO standard 8601:1988 (European Standard EN 28601).
  
• Date and Time on the Internet: Timestamps - RFC 3339 defines a date and time format for use in Internet protocols that is a profile of the ISO 8601 standard for representation of dates and times using the Gregorian calendar - by Graham Klyne and Chris Newman [FTP].
  
• ISO 8601: the Right Format for Dates - A short description, and guide to usage, of the ISO 8601 format, with some links to further resources.
  
• ISO 8601 compliant website button - A button to place on an iso-8601 compliant website.
  
• Discussion About the ISO 8601 Standard - About 200 people worldwide, who already use and promote the ISO 8601 Year-Month-Day date format have formed this discussion group. Go here for help and advice, or for general discussion. Message archive can be browsed. If you wish to join in, there are op
  
  

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