ISO 8601

Bibliography & References

https://en.wikipedia.org/wiki/ISO_8601https://www.iso.org/standard/40874.html (ISO 8601:2004)https://www.iso.org/standard/70907.html (ISO 8601-1:2019 Date and time — Representations for information interchange — Part 1: Basic rules)https://www.iso.org/standard/70908.html (ISO 8601-2:2019 Date and time — Representations for information interchange — Part 2: Extensions)