AS/NZS ISO 8601.1:2021
Date and time - Representations for information interchange, Part 1: Basic rules
Standard identically adopts ISO 8601-1:2019 which specifies representations of dates of the Gregorian calendar and times based on the 24-h 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).
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AS/NZS ISO 8601.1:2021 Representations for information interchange Basic rules
Preface
Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions and symbols
3.1 Terms and definitions
3.1.1 Basic concepts
3.1.2 Time and date units
3.1.3 Representations and formats
3.2 Symbols
3.2.1 General
3.2.2 Time scale component symbols
3.2.3 Composite component symbols
3.2.4 Symbols used in place of digits or signs
3.2.5 Designator symbols
3.2.6 Separator symbols
4 Fundamental principles
4.1 Basic rules
4.2 Time scales
4.2.1 The Gregorian calendar
4.2.2 The week calendar
4.2.3 The 24-hour clock
4.3 Time scale components and units
4.3.1 General
4.3.2 Calendar year and years duration
4.3.3 Calendar month and months duration
4.3.4 Calendar week number and weeks duration
4.3.5 Calendar day of month and days duration
4.3.6 Calendar day of week
4.3.7 Calendar day of year
4.3.8 Clock hour and hours duration
4.3.9 Clock minute and minutes duration
4.3.10 Clock second and seconds duration
4.3.11 Decade
4.3.12 Century
4.3.13 Time shift
4.4 Expansion
4.5 Leading zeros
5 Date and time representations
5.1 General
5.2 Date
5.2.1 General
5.2.2 Calendar date
5.2.3 Ordinal date
5.2.4 Week date
5.3 Time of day
5.3.1 Local time of day
5.3.2 Beginning of the day
5.3.3 UTC of day
5.3.4 Local time scale and UTC
5.3.5 Omissions of time designator
5.4 Date and time of day
5.4.1 General
5.4.2 Complete representations
5.4.3 Representations other than complete
5.5 Time interval
5.5.1 Means of specifying time intervals
5.5.2 Duration
5.5.3 Complete representations
5.5.4 Representations other than complete
5.6 Recurring time interval
5.6.1 Means of specifying recurring time intervals
5.6.2 Separators and designators
5.6.3 Complete representations
5.6.4 Representations other than complete
Annex A (informative) Example date and time expressions and representations
Bibliography
Amendment 1
Amendment control sheet
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AS/NZS ISO 8601.1:2021 A1
Date and time — Representations for information interchange, Part 1: Basic rules
AS/NZS ISO 8601.1:2021 Representations for information interchange Basic rules
Preface
Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions and symbols
3.1 Terms and definitions
3.1.1 Basic concepts
3.1.2 Time and date units
3.1.3 Representations and formats
3.2 Symbols
3.2.1 General
3.2.2 Time scale component symbols
3.2.3 Composite component symbols
3.2.4 Symbols used in place of digits or signs
3.2.5 Designator symbols
3.2.6 Separator symbols
4 Fundamental principles
4.1 Basic rules
4.2 Time scales
4.2.1 The Gregorian calendar
4.2.2 The week calendar
4.2.3 The 24-hour clock
4.3 Time scale components and units
4.3.1 General
4.3.2 Calendar year and years duration
4.3.3 Calendar month and months duration
4.3.4 Calendar week number and weeks duration
4.3.5 Calendar day of month and days duration
4.3.6 Calendar day of week
4.3.7 Calendar day of year
4.3.8 Clock hour and hours duration
4.3.9 Clock minute and minutes duration
4.3.10 Clock second and seconds duration
4.3.11 Decade
4.3.12 Century
4.3.13 Time shift
4.4 Expansion
4.5 Leading zeros
5 Date and time representations
5.1 General
5.2 Date
5.2.1 General
5.2.2 Calendar date
5.2.3 Ordinal date
5.2.4 Week date
5.3 Time of day
5.3.1 Local time of day
5.3.2 Beginning of the day
5.3.3 UTC of day
5.3.4 Local time scale and UTC
5.3.5 Omissions of time designator
5.4 Date and time of day
5.4.1 General
5.4.2 Complete representations
5.4.3 Representations other than complete
5.5 Time interval
5.5.1 Means of specifying time intervals
5.5.2 Duration
5.5.3 Complete representations
5.5.4 Representations other than complete
5.6 Recurring time interval
5.6.1 Means of specifying recurring time intervals
5.6.2 Separators and designators
5.6.3 Complete representations
5.6.4 Representations other than complete
Annex A (informative) Example date and time expressions and representations
Bibliography
Amendment 1
Amendment control sheet
AS/NZS ISO 8601.1:2021
Online Library subscription information
Online library subscriptions provide a cost-effective solution for organisations of any size to access the latest standards, offering 24/7 access to a personalised catalogue. The service ensures subscribers have have the most up-to-date version of selected standards, incluing automatic updates for any amendments or versions. Pricing is dependent on the chosen standards and the number of concurrent users, with discounts applied from the standards PDF price. For customised subscriptions or further inquiries, contact the Online Library team.