[wheelinsupial]

You should be able to set your working hours in Outlook. You specify days of the week and start and stop time. In your calendar when people look to book meetings in times outside of your office hours the time will be grey or some other shade.

My notifications in Teams and Outlook stop coming to my phone in my off hours. You may need to go to the phone settings and change notifications to say do not notify outside of work hours or something similar.