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].
- http://tools.ietf.org/html/rfc3339

Project 2038 FAQ
- Description of computer problems with date/time calculations coming in year 2038.
- http://maul.deepsky.com/%7Emerovech/2038.html

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.
- http://community.roxen.com/developers/idocs/drafts/draft-ietf-impp-datetime-05.txt

ISO note on the standard
- Brief description of the standard from the publishers themselves.
- http://www.iso.org/iso/en/prods-services/popstds/datesandtime.html

Javascript Code
- Parsing ISO 8601 Date/Times in JavaScript.
- http://delete.me.uk/2005/03/iso8601.html

ISO 8601 compliant website button
- A button to place on an iso-8601 compliant website.
- http://www.esperanto.uklinux.net/iso8601/iso8601.html

Mac OS X 10.0: How to Set Date and Time to ISO 8601:1988 Standard
- Apple support document.
- http://docs.info.apple.com/article.html?artnum=106174

Year 2000 Readiness - Research Resources - International Date Standard
- K-State Year 2000 Research Resources - Indepth: International date notation standards.
- http://www.k-state.edu/year2000/research/standard.html

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.
- http://www.probabilityof.com/ISO8601.shtml

Problem F - Standard Dates (50 Points)
- A problem set for computer studies students involving programming using the ISO 8601 date format.
- http://www.cs.waikato.ac.nz/~marku/progcomp/problems/problemF.html

The Many Dates and Times of Perl
- A tour of the many date and time handling modules on the CPAN - by Dave Rolsky.
- http://www.perl.com/pub/a/2003/03/13/datetime.html

ISO 8601
- A short introduction to the ISO 8601 format.
- http://www.cezwright.com/theWeb/y2k/iso_8601.htm

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.
- http://www.unece.org/etrades/unedocs/e_forms/rec_pdf/rec07_1988_inf108.pdf

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.
- http://y2k.berkeley.edu/computers/fixpcs/issues/date-standards.html

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.
- http://y2k.berkeley.edu/computers/fixpcs/issues/os-date-format.html

Date and Time on the Internet
- A proposal to use the ISO date format for Internet applications - by Chris Newman.
- http://www.hermetic.ch/cal_stud/newman.htm

W3C I18N Q&A: Date formats
- Discussion of date formats for internationalisation.
- http://www.w3.org/International/questions/qa-date-format

Calculating the ISO week number - by Jan Stout.
- WeekNumber Calculation Explanation.
- http://www.proesite.com/timex/wkcalc.htm

The ISO Date Format
- Discussion of formats for expressing dates, with particular reference to the ISO 8601 date format - by Peter Meyer.
- http://www.hermetic.ch/cal_stud/formats.htm

Use International Date Format
- How and why to use international date format in your document - from the W3C QA section.
- http://www.w3.org/QA/Tips/iso-date

The Code Project: C# Programming
- Free source code and tutorial for a Gregorian Date To ISO Date Converter for Windows.
- http://www.thecodeproject.com/csharp/GregToISO.asp

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.
- http://www.pjh2.de/datetime/weeknumber/index.php

The Y2K Problem, UIC, and You
- Describes Year 2000 fixes for computer systems, mainly based on using the ISO 8601 standard for dates.
- http://www.uic.edu/depts/accc/newsletter/adn21/y2kprob.html

Standards to be obeyed by the masses: Representing temporal and monetary data on the web
- [Text/PDF: 50KB] - 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.
- http://dialspace.dial.pipex.com/town/square/xta78/ISO8601/Knolmayer.pdf

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.
- http://www.uic.edu/depts/accc/software/isodates/index.html

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.
- http://www.allegro.com/papers/54.html

ISO 8601 - The Right Solution
- The wonderful thing about the computer industry, it is said, "If you like standards, there are a lot to choose from". Provides useful information and background about date format issues.
- http://www.wa.gov.au/tiac/forum/entries/michele/millenniumstuff/solutions.htm

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.
- http://www.personal.ecu.edu/mccartyr/isowdcal.html

ISO 8601 Date/Time Representations
- A simple introduction to ISO 8601 date and time formats - University of Wellington in New Zealand.
- http://www.mcs.vuw.ac.nz/technical/software/SGML/doc/iso8601/ISO8601.html

Issues about Date and Time
- by Clive D.W. Feather.
- http://www.davros.org/c/wg14n764.txt

ISO Week Algorithm
- An algorithm for converting Gregorian Calendar Dates to the ISO 8601 Week Date format (Y2K Compliant).
- http://personal.ecu.edu/mccartyr/ISOwdALG.txt

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).
- http://www.delphi32.com/vcl/3136/

Dated Material - Is the Y2K Problem Really Over?
- Discussion about the use and misuse of various date formats - Intelligent Enterprise Magazine - Celko.
- http://www.intelligententerprise.com/000717/celko.shtml?database

Schema Time Changes (Draft)
- Useful information about date and time - by M. Davis.
- http://www.macchiato.com/unicode/timeIntervals.htm

Info 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.
- http://www.cs.tut.fi/~jkorpela/iso8601.html

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.
- http://www.phys.uu.nl/~vgent/calendar/isocalendar.htm

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.
- http://metric1.org/windtset.htm

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.
- http://metric1.org/macdtset.htm

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.
- http://www.exit109.com/~ghealton/y2k/yrexamples.html

Using ISO 8601 Dates
- ISO 8601 Dates: What they are and why they're good - University of Illinois at Chicago in the USA.
- http://www.uic.edu/depts/accc/software/isodates/isocontents.html

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.
- http://www.merlyn.demon.co.uk/datefmts.htm

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.
- http://www.cpearson.com/excel/weeknum.htm

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
- http://groups.yahoo.com/group/iso8601/

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.
- http://www.saqqara.demon.co.uk/datefmt.htm

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.
- http://www.qsl.net/g1smd/isoimp.htm

W3C Date and Time Formats
- Defines a profile of ISO 8601 referenced by the W3C HTML recommendation.
- http://www.w3.org/TR/1998/NOTE-datetime-19980827

New Date
- A private site about the advantages of using ISO 8601-style dates.
- http://www.wwmeli.org/newdate/