This is standard in the United States and follows the order of spoken English. Example: October 5, 2023

Julian hesitated. The Terms of Service had mentioned "aesthetic smoothing," but he hadn't thought much of it.

In the American style, always place a comma after the day to separate it from the year. If the date is in the middle of a sentence, place another comma after the year: "The event on October 5, 2023, was a success" .

But the most jarring change was Elena.