Reaffirmed 2023

NATIONAL FOREWORD

This Indian Standard (Part 2) which is identical with ISO 8601-2 : 2019 ‘Date and Time - Representations for information interchange - Part 2: Extensions’ issued by the International Organization for Standardization (ISO) was adopted by the Bureau of Indian Standards on recommendation of the Documentation and Information Sectional Committee and approval of the Management and Systems Division Council.

This standard was previously adopted as IS 7900 which was adoption of ISO 8601 : 2004. Subsequent to publication of ISO 8601-1 and ISO 8601-2 into two parts, which have been technically modified, IS 7900 stand cancels and this standard replaces IS 7900 : 2007/ISO 8601 : 2004.

This Indian Standard is published in two parts. The other part in this series is:

Part 1 Basic rules