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Mozilla Calendar adds a diary, 'to do' organiser and journal, based completely on Internet Standards, iCal and XML, to the Mozilla and Firefox browsers. Sunbird gives you the functionality in a stand-alone application.

Notes and Queries...

• All Day Events versus Events On A Day
• Calendar MIME type
• Comma Handling
• Events and UID's
• Gzipped Calendar data
• Importing and Exporting xCal

Howto's...

• Mozilla Calendar Project Wiki Home
• Create/Upload a public calendar (using FTP)
• Uploading a calendar (using WebDAV)

• RFC 2445 - iCalendar text format
  • Zvon's version, with clickable table of contents
  • Cross-referenced excerpts on Kanzaki
• iCalendar DTD document, xCal, (2nd draft, 2002/07, expired 2003/01, Archive copy)
  • Guideline for use of XML with iCalendar elements (second draft, 2004/05, expired 2004/11)
• RDFCalendar Documentation Wiki
• Structured Knowledge Initiative (SKiCal) extension to iCalendar (6th draft, 2002/10, expired 2003/04, Archive copy)
• Semantic Web Calendaring Vocabularies and Usecases notes
• The ietf-calendar mailing list
• www.calsch.org's links and index of documents and drafts
  • See also CalConnect for interoperability and event publishing work
• Sun's Web Calendar Access Prococol, WCAP documentation

Description of the YYYYMMDD format

• ISO 8601:1988 Date/Time Representations (description of the ISO 8601 standard)
• W3C Note on Date and Time Formats (simplified ISO 8601 for the web)
• DMOZ's index of ISO 8601 references

From RFC 2445, the even more basic:

• DATE, TIME and DATE-TIME formats

Libraries and Server code

• W3's RDF Calendar Workspace
  • Notes and links to ical2rdf.pl and fromIcal.py
• Reefknot - Perl toolkit (recast as the Perl Date Time Project)
  • Repository of Test Cases
  • iCalendar 'boot strap' guide
• VObject - iCalendar library for Python
• iCal4j - iCalendar library for Java (alpha)
• Momentum - Calendar and Scheduling System

RDF conversion

• iCal2rdf - iCalendar to RDF converter
• rssfr - RSS to HTML converter

RDF validation

• W3C RDF validation service