In my favourite way: The window starts when this comment is 26.5 hours old.
You posted the comment @1700131083 (2023-11-16T10:38:03Z) (see https://hacker-news.firebaseio.com/v0/item/38287917.json?pri...) and the start will be @1700226000 (2023-11-17T13:00:00Z)
1700226000 - 1700131083 = 94917 seconds = 26.36583333... hours → 1 day 2 hour 21 minutes 57 seconds