I have only lived in a few other countries, in my experience only China has done this. Why? I hate when people tell me "
Meet me at 14 o'clock", I say, "You mean 2 o'clock?" then they, after thinking about it for a while say, Yes, at 2 pm not am". What the heck! Do they really think people will mistake a 2 o'clock meeting for am and not pm? It is so stupid! So, do other countries do ...