Date and time notation: Difference between revisions

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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)"

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+{{more citations needed|date=January 2019}}
-Date and time notation around the world varies. Countries have adopted differing standards, software maker use different standards, people in daily life use different standards.
+{{Use American English|date=December 2024}}
+'''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, [[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" (format: [day ,] 20 Jun 82 14:01:17)
-**e.g. used for email
-*RFC 3339 "Date and Time on the Internet: Timestamps" intended use: new internet protocols, published July 2002 (format: 1982-06-20)
+* {{IETF RFC|822|link=no}} "Standard for the Format of Arpa Internet Text Messages"
-*W3C [http://www.w3.org/QA/Tips/iso-date Tip "Use international date format (ISO)"] - a tip that is not followed by the W3C itself. The W3C uses lots of different formats on their websites.
+** published 1982-08-13
+** e.g. used for email
+** format: [day ,] 20 Jun 82 14:01:17
+* {{IETF RFC|2445|link=no}} "Internet Calendaring and Scheduling Core Object Specification"
+** format: 19960401T235959Z
+* {{IETF RFC|3339|link=no}} "Date and Time on the Internet: Timestamps"
+** published July 2002
+** intended use: new internet protocols
+** format: 1982-06-20
+* 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:Timekeeping]]
+[[Category:Date and time representation]]
+{{time-stub}}