24 Hour Clock: the time is shown as how many hours and minutes since midnight.
AM/PM (or "12 Hour Clock"): the day is split into:
the 12 Hours running from Midnight to Noon (the AM hours), and
the other 12 Hours running from Noon to Midnight (the PM hours).
Step-by-step explanation:
24 Hour 14:00
AM/PM 2:00 PM
