HN 告知：Hacker News 的日期时间存在虚假精确性
3 分•作者: perilunar•15 天前
我刚注意到评论和提交的日期时间精度异常。显然，所有的评论都精确到秒，甚至是微秒！
例如，这是几分钟前的一条评论：
2026-09-10T14:50:13.000000Z
这是一个典型的虚假精度（false precision）的例子：
https://en.wikipedia.org/wiki/False_precision
查看原文
I just noticed that the datetime for comments and submissions is weirdly precise. Apparently all comments happen exactly on the second, to the microsecond!<p>e.g. here is one from a few minutes ago:
2026-09-10T14:50:13.000000Z<p>This is a clear example of false precision:<p>https://en.wikipedia.org/wiki/False_precision