Date and time notation

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Date and time notation around the world varies.

An approach to harmonise the different notations is the ISO 8601 standard.

Since the

tips and discussion paper were published.

• RFC 822 "Standard for the Format of Arpa Internet Text Messages"
  • published 1982-08-13
  • e.g. used for email
  • format: [day ,] 20 Jun 82 14:01:17
• RFC 2445 "Internet Calendaring and Scheduling Core Object Specification"
  • format: 19960401T235959Z
• RFC 3339 "Date and Time on the Internet: Timestamps"
  • published July 2002
  • intended use: new internet protocols
  • format: 1982-06-20
• W3C: "Use international date format (ISO)"

See also

• Date and time representation by country
• Calendar date § Date format
• Date code
  on a semiconductor package
• Holocene calendar
• ISO 8601 usage
• Time formatting and storage bugs
• Unix time