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Tell HN: Hacker News datetimes are falsely precise

3•perilunar•3h ago
I just noticed that the datetime for comments and submissions is weirdly precise. Apparently all comments happen exactly on the second, to the microsecond!

e.g. here is one from a few minutes ago: 2026-09-10T14:50:13.000000Z

This is a clear example of false precision:

https://en.wikipedia.org/wiki/False_precision

Comments

bjourne•1h ago
Indeed, it is also imprecise since the timestamp does't include the timezone. :)

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Tell HN: Hacker News datetimes are falsely precise

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