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'''Date and time notation''' around the world varies.
'''Date and time notation''' around the world varies.


An approach to harmonise the different notations is the [[ISO 8601]]. (See also [[ISO 8601 usage]])
An approach to harmonize the different notations is the [[ISO 8601]] standard.


Since the [[Internet]] is a main enabler of communication between people with different date notation background, and software is used to facilitate the communication, [[Request for Comments|RFC]] standards and [[W3C]] tips and discussion paper were published.
Since the [[Internet]] is a main enabler of communication between people with different date notation backgrounds, and software is used to facilitate the communication, [[Request for Comments|RFC]] standards and a [[W3C]] tips and discussion paper were published.


*RFC 822 "Standard for the Format of Arpa Internet Text Messages"
* {{IETF RFC|822|link=no}} "Standard for the Format of Arpa Internet Text Messages"
**published 1982-08-13
** published 1982-08-13
**e.g. used for email
** e.g. used for email
**format: [day ,] 20 Jun 82 14:01:17
** format: [day ,] 20 Jun 82 14:01:17
*RFC 2445 "Internet Calendaring and Scheduling Core Object Specification"
* {{IETF RFC|2445|link=no}} "Internet Calendaring and Scheduling Core Object Specification"
**format: 19960401T235959Z
** format: 19960401T235959Z
*RFC 3339 "Date and Time on the Internet: Timestamps"
* {{IETF RFC|3339|link=no}} "Date and Time on the Internet: Timestamps"
**published July 2002
** published July 2002
**intended use: new internet protocols
** intended use: new internet protocols
**format: 1982-06-20
** format: 1982-06-20
*W3C: [http://www.w3.org/QA/Tips/iso-date "Use international date format (ISO)"]
* W3C: [http://www.w3.org/QA/Tips/iso-date "Use international date format (ISO)"]


==See also==
== See also ==
* {{slink|Calendar date|Date format}}
*[[Date and time notation by country]]
* [[Date and time representation by country]]
* [[Date code]]
* [[Holocene calendar]]
* [[ISO 8601 usage]]
* [[Time formatting and storage bugs]]
* [[Unix time]]


[[Category:Date and time representation]]
[[Category:Date and time representation]]


{{time-stub}}

Latest revision as of 16:24, 15 December 2024

Date and time notation around the world varies.

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

Since the Internet is a main enabler of communication between people with different date notation backgrounds, and software is used to facilitate the communication, RFC standards and a W3C 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

[edit]