ISO/CD 8601-1

Date and time — Representations for information interchange — Part 1: Basic rules ISO/CD 8601-1

General information

30.60   Close of voting/ comment period   Jul 25, 2026

ISO

ISO/TC 154 Processes, data elements and documents in commerce, industry and administration

International Standard

Scope

This document specifies representations of dates of the Gregorian calendar and times based on the 24-hour clock, as well as composite elements of them, as character strings for use in information interchange. It is also applicable for representing times and time shifts based on Coordinated Universal Time (UTC).
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.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 8601-1:2019

PUBLISHED
ISO 8601-1:2019/Amd 1:2022

NOW

IN_DEVELOPMENT
ISO/CD 8601-1
30.60 Close of voting/ comment period
Jul 25, 2026




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