Is the expired date on the warranty the last day
does the Apple warranty expire on the given expiration date or is it still effective until the expired date is over
It expires on the exact date listed. The very next day, warranty is over.
For example, with AppleCare+ on my 13 Pro Max, my warranty expires on September 24th 2023. I will have coverage on that date, but on the 25th, I won't.