# ISO 8601-1:2019: Date and time—Representations for information interchange—Part 1: Basic rules

> published ISO standard

**Wikidata**: [Q108029407](https://www.wikidata.org/wiki/Q108029407)  
**Source**: https://4ort.xyz/entity/iso-8601-1-2019-date-and-time-representations-for-information-interchange-part-1-basic-rules