iso-8601: Difference between revisions
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The '''International Standards Organisation''''s standard, number '''8601''' is an international standard for date and time representations. It is used for all date-time representations in microformats. | The '''International Standards Organisation''''s standard, number '''8601''' is an international standard for date and time representations. It is used for all date-time representations in microformats. | ||
==Overview== | |||
For a plain-language overview of ISO 8601, we recommend the [http://www.cl.cam.ac.uk/~mgk25/iso-time.html ISO 8601 summary by Markus Kuhn]. | |||
==Microformats== | ==Microformats== | ||
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*[[hReview]] | *[[hReview]] | ||
*... | *... | ||
==<nowiki>RFC 3339</nowiki>== | ==<nowiki>RFC 3339</nowiki>== | ||
Revision as of 13:24, 28 August 2007
ISO 8601
The International Standards Organisation's standard, number 8601 is an international standard for date and time representations. It is used for all date-time representations in microformats.
Overview
For a plain-language overview of ISO 8601, we recommend the ISO 8601 summary by Markus Kuhn.
Microformats
Microformats using ISO8601 include:
RFC 3339
RFC 3339 defines a profile of ISO 8601 for the use in Internet protocols and standards. It explicitly excludes durations and dates before the common era. The more complex formats like week numbers and ordinal day are not permitted (see RFC 3339, section 5.6).
Issues
- Should we restrict microformats' use of ISO 8601 to RFC 3339 values? Andy Mabbett
- How should dates before the common era be marked up? Andy Mabbett
See also
- ISO 8601 on Wikipedia
- ISO 8601:2004(E) from ISO (zip-pdf, 228KB)
- Summary of 8601 by ISO
- Technical Committee ISO/TC 154, Processes, data elements and documents in commerce, industry and administration.
- The Mathematics of the ISO 8601 Calendar
- Current date in week date and ordinal date format
- ISO 8601 at the Open Directory Project
- W3C Specification about UTC Date and Time and IETF Internet standard RFC 3339, based on ISO 8601