The International Organization for Standardization is a standard by which the world adopts and communicates times and dates. But people sometimes use the phrase “ante meridian” (a “meridian” in this case refers to an imaginary line in the sky when the sun is at its highest point). If you have any sort of concerns regarding where and how you can utilize 3:15 in military time, you can call us at the web-page. I am Everett Bledsoe, taking on the responsibility of content producer for The Soldiers Project. My purpose in this project is to give honest reviews on the gear utilized and tested over time. Of course, you cannot go wrong when checking out our package of information and guide, too, as they come from reliable sources and years of experience. If the hour is above 1200, subtract the hour with 1200 and add a “P.M”. 1200 is read as “twelve hundred” or “twelve hundred hours”. With hours after 9, omit the “zero” or “oh” and read the hours as pairs. With hours before 9, read “zero” then the hour given. For those of you who are interested in a simple conversion formula, continue reading and find below the formula that helps you understand the conversion of 1515 Military Time.