DCMI Date Community

Name:	DCMI Date Community
Type:	Working Group
Status:	Finished
Charter:	The purpose of the DCMI Date WG is to: Provide a forum for the discussion of issues related to the representation of date and time in metadata, Foster the adoption of standards and practices that will enhance the interoperability of date and time information conveyed in Dublin Core metadata.
Moderator/Chair:	Eric Childress Douglas Campbell
Established:	2003-10-03

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DCMI Date Working Group

Chair:	Eric Childress Douglas Campbell
Status:	This working group has been deactivated.
Established:	2003-10-03
Deactivated:	2008-09-27
Last Update:	2010-05-17
Charter:	The purpose of the DCMI Date WG is to: Provide a forum for the discussion of issues related to the representation of date and time in metadata, Foster the adoption of standards and practices that will enhance the interoperability of date and time information conveyed in Dublin Core™ metadata.

News and Announcements

See the DC-Date Wiki for up-to-date information about the working group.

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Milestones/Deliverables

Scheduled Milestone	Editor/Contact	Status/History
Date and Time Short Form	Charles McCathieNevile	Working Draft
DCMI Date WG workplan 2005-2006	Eric Childress and Douglas Campbell	Completed
DCMI Date WG workplan 2004-2005	Eric Childress	Completed
DCMI Date WG workplan 2003-2004	Eric Childress	Completed
DC-Date Qualifiers, 1999-12-14	Eric Childress	Completed
Working Group Draft Report	John A. Kunze	Completed

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Forums

Mailing list

To join or leave:
http://www.jiscmail.ac.uk/cgi-bin/wa.exe?SUBED1=dc-date&A=1

Archive:
http://www.jiscmail.ac.uk/cgi-bin/wa.exe?A0=dc-date

Wiki

For up to date information about the working group and for draft documents, see the Wiki.

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History

The Date Working Group was constituted following the Helsinki Dublin Core™ Metadata Workshop (DC-5) of October, 1997 and deactivated 2000-10-06 upon completion of its original charge. The Date Working Group was reactivated following the 2003 Dublin Core™ Conference (DC-2003) of October, 2003.

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Related Work

• IETF Calendaring and Scheduling (calsch) Working Group
• The Calendaring and Scheduling Consortium
• microformats: hCalendar
• RDF calendar list
• Yahoo ISO8601 discussion group

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Resources

Selected date and time notation standards:

• Numeric representation of Dates and Time (ISO 8601)

• Wikipedia entry: "ISO 8601"

• W3C Date and Time Formats [W3C-DTF]

• Date and Time on the Internet: Timestamps [RFC 3339]

• XML Schema Part 2: Datatypes Second Edition: dateTime

  • See also: XML Schema 1.1 Part 2: Datatypes: J.1.3 Date/time Datatypes

• DCMI Period Encoding Scheme

• Representation of dates practice from: RLG's Best Practice Guidelines for EAD (see p.5 "Normalization of dates")

• Representation of dates practice from: Cataloging Cultural Works [Ch. 4, 28 Feb. 2005 draft] ; Cataloging Cultural Works (2006)

• MARC 21 bibliographic 008 field date representation practice

• TEMPER (TEMPoral Enumerated Ranges) (Internet-Draft[expired])

• Liberty Date Recommendation

• Recordkeeping Metadata Schema (RKMS) extension to ISO 8601

General information about date and time notation standards:

• A Summary of the International Standard Date and Time Notation (by Markus Kuhn)
• A Walk Through Time (NIST)
• The Open Directory entry for calendars and time-keeping
• Units of Time (by George Hernandez)
• Time Scales (by Steven Allen)
• Calendars (by Gérard P. Michon)
• Today's Date and Time (by Will Linden) - http://www.ecben.net/calendar.shtml
• Reprint of "Explanatory Supplement to the Astronomical Almanac" (P. Kenneth Seidelmann, editor)
• Wikipedia entry: "Timeline of the Universe"
• Wikipedia entry: "Geologic Timescale"
• Wikipedia entry: "List of calendars"
• Wikipedia entry: "Calendar date"
• Microsoft application date formatting