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Iso 8601:2000(E) This preview is downloaded from www.sis.se. Buy the entire standard via https://www.sis.se/std-617156 INTERNATIONAL ISO STANDARD 8601 Second edition 2000-12-15 Data elements and interchange formats — Information interchange — Representation of dates and times Éléments de données et formats d'échange — Échange d'information — Représentation de la date et de l'heure Reference number ISO 8601:2000(E) © ISO 2000 This preview is downloaded from www.sis.se. Buy the entire standard via https://www.sis.se/std-617156 ISO 8601:2000(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The ISO Central Secretariat accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. © ISO 2000 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Case postale 56 · CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.ch Printed in Switzerland ii © ISO 2000 – All rights reserved This preview is downloaded from www.sis.se. Buy the entire standard via https://www.sis.se/std-617156 ISO 8601:2000(E) Contents Page Foreword.....................................................................................................................................................................iv Introduction .................................................................................................................................................................v 1 Scope ..............................................................................................................................................................1 2 Normative references ....................................................................................................................................1 3 Terms and definitions ...................................................................................................................................2 4 Fundamental principles ................................................................................................................................5 4.1 Basic concepts...............................................................................................................................................5 4.2 Common features, uniqueness and combinations ....................................................................................5 4.3 Time-units and reference systems...............................................................................................................6 4.3.1 Time-units.......................................................................................................................................................6 4.3.2 Date and time reference systems.................................................................................................................6 4.4 Characters used in the representations......................................................................................................8 4.5 Use of separators...........................................................................................................................................9 4.6 Truncation ......................................................................................................................................................9 4.7 Expansion.......................................................................................................................................................9 4.8 Leading zeros.................................................................................................................................................9 4.9 Mutual agreement ..........................................................................................................................................9 5 Representations...........................................................................................................................................10 5.1 Explanations.................................................................................................................................................10 5.1.1 Characters used in place of digits or signs ..............................................................................................10 5.1.2 Characters used as designators ................................................................................................................10 5.2 Dates .............................................................................................................................................................11 5.2.1 Calendar date ...............................................................................................................................................11 5.2.2 Ordinal date ..................................................................................................................................................13 5.2.3 Week date .....................................................................................................................................................13 5.3 Time of the day.............................................................................................................................................15 5.3.1 Local time of the day ...................................................................................................................................15 5.3.2 Midnight........................................................................................................................................................17 5.3.3 Coordinated Universal Time (UTC) ............................................................................................................17 5.3.4 Local time and Coordinated Universal Time.............................................................................................17 5.4 Combinations of date and time of the day ................................................................................................18 5.4.1 Complete representation ............................................................................................................................18 5.4.2 Representations other than complete .......................................................................................................19 5.5 Time-intervals...............................................................................................................................................20 5.5.1 Means of specifying time-intervals............................................................................................................20 5.5.2 Separators and designators .......................................................................................................................20 5.5.3 Representation of duration.........................................................................................................................20 5.5.4 Complete representations ..........................................................................................................................21 5.5.5 Representations other than complete .......................................................................................................23 5.6 Recurring time-intervals .............................................................................................................................23 5.6.1 Means of specifying recurring time-intervals ...........................................................................................23 5.6.2 Separators and designators .......................................................................................................................23 5.6.3 Complete representations ..........................................................................................................................24 5.6.4 Representations other than complete .......................................................................................................24 Annex A (informative) Relationship to ISO 2014, 2015, 2711, 3307 and 4031 .....................................................25 Annex B (informative) Examples .............................................................................................................................26 © ISO 2000 – All rights reserved iii This preview is downloaded from www.sis.se. Buy the entire standard via https://www.sis.se/std-617156 ISO 8601:2000(E) Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies
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