Just a question. I saw this thread more than a day ago.

"32 points by prostoalex 1 day ago | past | web | 32 comments"

https://news.ycombinator.com/from?site=wsj.com

How come it's on the front page with "32 points by prostoalex 7 hours ago"

How did "1 day ago" change to "7 hours ago"?