===== ISO 8601-2:2019 Date and time -- Representations for information interchange -- Part 2: Extensions: Basic rules ===== [[dido:public:ra:xapend:xapend.b_stds:tech:iso:start| return to the ISO Standards ]] | Title | Date and time -- Representations for information interchange -- Part 2: Extensions | | Acronym | | | Version | 2019 | | Document Number | 8601-2:2019| | Release Date | 2019-02 | | Reference | [[hhttps://www.iso.org/standard/70908.html]] |
Data sheet for Date and time -- Representations for information interchange -- Part 2: Extensions
: **Note**: The following is an excerpt from the official ISO catalog. It is provided here as a convenience and is not authoritative. Refer to the original document as the authoritative reference. ==== Summary ==== : //This document specifies additional representations of dates of the Gregorian calendar and times based on the 24-hour clock that extend the basic rules and composite elements of those defined in ISO 8601-1. These representations are specified as character strings for use in information interchange. It is also applicable for representing times and time shifts based on Coordinated Universal Time (UTC).// : //These extensions include:// *//uncertain or approximate dates, or dates with portions unspecified;// *//extended time intervals;// *//divisions of a year;// *//sets and choices of calendar dates;// *//grouped time scale units;// *//repeat rules for recurring time intervals; and// *//date and time arithmetic.// : //This document excludes the representation of date elements from non-Gregorian calendars, or times not from the 24-hour clock. This document does not address character encoding of representations specified in this document.// /**=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- /* To add a discussion page to this page, comment out the line that says ~~DISCUSSION:off~~ */ ~~DISCUSSION:on|Outstanding Issues~~ ~~DISCUSSION:off~~