How does a blind person tell the time?
There are watches that open up so a blind person can feel where the hands are and can feel Braille dots at the different hour points. There are also talking watches that speak the time and have an alarm built in. And there are many talking clocks that have many different types of alarms that people can use in their home, in their office, or when they travel. For people who can read some print, there are also clocks and watches with large print faces.