Notice that if you mouse over "9 hours ago" on the story it shows the timestamp 2025-02-25. 9 hours ago was not 2025-02-25. If you mouse over the "7 hours ago" on credit_guy's comment, the timestamp shows 2025-02-26. One day after it was submitted, two days before it made the frontpage.
Then it was placed in news.ycombinator.com/pool (https://news.ycombinator.com/pool?next=43176091), and got two comments; credit_guy's comment was one of them.
Then, today, it hit the frontpage.
Notice that if you mouse over "9 hours ago" on the story it shows the timestamp 2025-02-25. 9 hours ago was not 2025-02-25. If you mouse over the "7 hours ago" on credit_guy's comment, the timestamp shows 2025-02-26. One day after it was submitted, two days before it made the frontpage.