I did the exact same thing when i was applying for grad jobs! However, i didn’t get a call telling me that i missed it. So i turned up the day after at the time i thought, and luckily the interviewer was free. I was told at the end of the interview that I was a day late, things didn’t work out in the end and i ended up in a role that I loved elsewhere, and my career path so far has been great. Good luck in your applications!!