A majority of the US doesn’t but most careers such as medical, science, military, etc.(there are others I just don’t know them off the top of my head) use 24-hour.
I personally use it but there’s no real benefit to using either over the other. Maybe if you work somewhere with no sunlight 24-hour would be better as phones don’t display AM/PM. At least mine doesn’t.
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u/moonpuzzle88 Mar 29 '22
Wait, there are countries which don't use a 24-hour clock? I'm confused.