Posted on October 17, 2012 by TerrenHow to Quickly Convert Standard Time to Military Time [Mental Math] How to Quickly Convert Standard Time to Military Time [Mental Math] The standard 12 hour clock is great for most of us, but the 24 hour clock (aka military time) is more common around the world. The Art of Manliness shows off the simple conversion method. More ยป This was posted on Google+…