The 24-hour watch has an hour marker for each corresponding hour in the day, from zero to 23. The inspiration of the watch comes from sundials, which don’t allow for separate 12-hour a.m. and p.m. designations. Some older clocks in the world still go by the 24-hour display. Reading the time on a 24-hour watch is the same as reading on any regular, non-digital timepiece. However, a 24-hour watch has.. Read More