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by Akronymus 1731 days ago
8601 https://en.wikipedia.org/wiki/ISO_8601

which can be any of these:

YYYY-MM-DD YYYY-MM YYYYMMDD

1 comments

ISO 8601 is proprietary and people can’t even read it without each paying a $170 access fee. Instead, prefer IETF RFC 3339 (mentioned in your link) which is a more practical open standard.