ISO 8601 Standard Date/Time and Related Resources

Robert Morris University (RMU) - Computer and Information Systems
INFS2210/3450/4240/4241/6210/6240 and other INFS courses - Most recent update: 2006-08-23
Contact: Valerie J. Harvey, RT(R), PhD, Professor, Computer & Information Systems, RMU
Voice: 412-262-8467; Fax: 412-299-2481; Email: <harvey@rmu.edu>

Many URLs listed here have additional relevant links.

Contents:

Selected URLs for ISO date and time standards, related issues, and date/time/calendar information

ISO 8601 Standard Date and Time Formats

ISO 11756 Standard Date and Time for MUMPS Programming: [$H]orolog timestamp (count of days beginning January 1, 1841, and of seconds beginning at midnight); see:

InterSystems Caché ObjectScript http://platinum.intersystems.com/olr/olrvhorolog.html or

Ed de Moel, http://207.192.157.194/Demo/AnnoStd?Frame=Main&Edition=examples&Page=a107093#Def_0001 or http://jacquardsystems.com/Examples/function/horolog.htm
Explanation in Finnish: http://www.uku.fi/tike/kernel/vinkit1.shtml
Explanation in Japanese: http://www.intersystems.co.jp/support/csp/rcos/rcos_vhorolog.html
Comments in Russian: http://www.dimas.ru/ic/ic098.htm Cache-программисту - класс для $horolog
Description of COS in French: http://lifc.univ-fcomte.fr/~lasalle/bda/COURSHTM/cours/chap03/lec03/page01.htm

Calendars

Print Resources

Other selected URLs for ISO date and time standards and related date/time/calendar information

ISO Standard 8601

Thanks for updates to Ian Galpin, the new Editor for the ISO 8601 Standard section of the Open Directory Project (ODP) located at: http://dmoz.org/Science/Reference/Standards/Individual_Standards/ISO_8601/;.

• The ISO Date Format by Peter Meyer:
  http://www.magnet.ch/serendipity/hermetic/cal_stud/formats.htm
• Dr. J. R. Stockton, Merlyn Data and Time Formats: http://www.merlyn.demon.co.uk/datefmts.htm
• International Standard Date and Time Notation - by Markus Kuhn: http://www.cl.cam.ac.uk/~mgk25/iso-time.html;.
• Date and Time - Week Numbers - by Peter J Haas in Germany:
  http://www.pjh2.de/datetime/weeknumber/index.php;
• Misha Wolfe, Profile of ISO 8601 Date and Time Formats now available on W3C Web site:
  http://lists.w3.org/Archives/Public/www-push/1997JulSep/0042.html
• W3C Date and Time Formats - A Note concerning usage of ISO 8601 on the Internet - by Misha Wolf and Charles Wicksteed: http://www.w3.org/TR/1998/NOTE-datetime-19980827;.
• Franz Inc. – please see Franz Lisp page for information provided on support for parsing ISO 8601 date-time strings and storing the corresponding date-time object in Lisp added in an update released in mid-August, 2006
• Jukka Korpela, Info on ISO 8601:
  http://www.cs.tut.fi/~jkorpela/iso8601.html
• The page at: http://www.astroclark.freeserve.co.uk/iso8601/index.htm leads to five different PDF versions of the ISO 8601 standard versions from 1988 through 2000.
• ISO 8601 Dates: What They Are and Why They're Good - University of Illinois at Chicago (USA): http://www.uic.edu/depts/accc/software/isodates/isocontents.html;
• Instructions for Various Computers to use the ISO 8601 Year-Month-Day format:
  http://www.qsl.net/g1smd/iso-pc.htm
• ISO 8601: the Right Format for Dates:
  http://www.uic.edu/year2000/datefmt.html
• Standards for Representing Dates - University of California at Berkeley:
  http://y2k.berkeley.edu/computers/fixpcs/issues/date-standards.html
• The Best Of Dates, The Worst Of Dates:
  http://www.exit109.com/~ghealton/y2k/yrexamples.html
• ISO 8601:1988
  http://www.iso.ch/cate/d15903.html
• Discussion About the ISO 8601 Standard (YahooGroups): http://groups.yahoo.com/group/iso8601;.
• Implementation of the ISO 8601 Standard around the world - a list of countries around the world that have adopted the ISO 8601 standard: http://www.qsl.net/g1smd/isoimp.htm;.
• Using the ISO Date Format on Personal Computers: http://www.its.monash.edu.au/twp/windows/isodate/;
• Date and Time on the Internet - Timestamps - Chris Newman: http://community.roxen.com/developers/idocs/drafts/draft-ietf-impp-datetime-05.html
• Setting up your PC to use the Year-Month-Day date format: http://metric1.org/windtset.htm;.
• Setting up your Mac to use the Year-Month-Day date format: http://metric1.org/macdtset.htm;.
• International Date Format Campaign - by Steve Adams: http://www.saqqara.demon.co.uk/datefmt.htm;.
• ISO 8601 Date and Time - Converting and Implementing: http://www.pvv.org/~nsaa/ISO8601.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;. [According to Ian Galpin, this is one of the 'original' ISO 8601 documents, one of the very first web sites that ever mentioned the standard].
• The IBM Guide to 'The Year 2000 and Two-Digit Dates - A Guide to Planning and Implementation': http://ano2000.kpnqwest.pt/ibm/best_ibm.pdf;.

Calendars and Various Date Systems

• Today's Clock and Calendar Page
  http://www.ecben.net/calendar.shtml
• Today's Mayan Date
  http://www.resonate.org/places/toybox/mayan/gal-sign/today.htm
• Calendar Converter at: http://www.calendarhome.com/converter/

ISO Standard Date/Time Formats on the Internet

• Steve Adams: Campaign to get the Internet World to use the International Date Format
  http://www.saqqara.demon.co.uk/datefmt.htm
• C. Newman: Date and Time on the Internet
  http://www.magnet.ch/serendipity/hermetic/cal_stud/newman.txthttp://www.mcs.vuw.ac.nz/technical/SGML/doc/iso8601/ISO8601.html
• http://www.mcs.vuw.ac.nz/technical/SGML/doc/iso8601/ISO8601.html

Print resources:

• Ian S. Hayes and William M. Ulrich, The Year 2000 Software Crisis: The Continuing Challenge (Yourdan Press, 1998)
• Peter de Jager and Richard Bergeon, Countdown Y2K: Business Survival Planning for the Year 2000 (Wiley, 1999)
• Edward Yourdan and Jennifer Yourdan, Time Bomb 2000, Revised and Updated (2^nd ed.) (Prentice Hall PTR, 1999)

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