Yeah, last one of those they published was…
https://us.diablo3.com/en/blog/22312196/season-14-ending-soon-8-31-2018
Not sure why they no longer publish one of these as these blogs cover a lot of frequently asked questions that get posted around the time a season’s due to end and would seem to require not much more than some dates / times as the only alterations.
Oh, and for the OP…