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BS ISO 8601-1:2019

BS ISO 8601-1:2019

$189.07

Date and time. Representations for information interchange – Basic rules

Published By Publication Date Number of Pages
BSI 2019 48
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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.

PDF Catalog

PDF Pages PDF Title
2 National foreword
7 Foreword
9 Introduction
11 1 Scope
2 Normative references
3 Terms, definitions and symbols
3.1 Terms and definitions
3.1.1 Basic concepts
15 3.1.2 Time and date units
18 3.1.3 Representations and formats
20 3.2 Symbols
3.2.1 General
3.2.2 Time scale component symbols
21 3.2.3 Composite component symbols
3.2.4 Symbols used in place of digits or signs
22 3.2.5 Designator symbols
23 3.2.6 Separator symbols
4 Fundamental principles
4.1 Basic rules
4.2 Time scales
4.2.1 The Gregorian calendar
24 4.2.2 The week calendar
25 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
26 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
27 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
28 4.3.11 Decade
4.3.12 Century
4.3.13 Time shift
4.4 Expansion
4.5 Leading zeros
29 5 Date and time representations
5.1 General
5.2 Date
5.2.1 General
5.2.2 Calendar date
30 5.2.3 Ordinal date
31 5.2.4 Week date
32 5.3 Time of day
5.3.1 Local time of day
33 5.3.2 Beginning of the day
34 5.3.3 UTC of day
5.3.4 Local time scale and UTC
35 5.3.5 Omissions of time designator
5.4 Date and time of day
5.4.1 General
5.4.2 Complete representations
36 5.4.3 Representations other than complete
37 5.5 Time interval
5.5.1 Means of specifying time intervals
5.5.2 Duration
38 5.5.3 Complete representations
39 5.5.4 Representations other than complete
5.6 Recurring time interval
5.6.1 Means of specifying recurring time intervals
40 5.6.2 Separators and designators
5.6.3 Complete representations
5.6.4 Representations other than complete
41 Annex A (informative) Example date and time expressions and representations
47 Bibliography

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BS ISO 8601-1:2019
$189.07