Simply at 12 to any PM number (for example, 3pm) and you’ll get the military time equivalent, which in this case would be 3pm + 12 = 15, so 1500 hours is the military time for 3pm! So easy! Military Time in Use Army personnel use local time as a reference. Il y a 1 jour · Converting standard 12-hour time to military time is simple—just start with midnight (12:00 a.m.) as 0000, and continue counting through hours all the way until 2359 (11:59 p.m.). In this article, we’ll show you exactly how to read, write, and pronounce military time, plus dive into the uses and history of 24-hour timekeeping.