There's a much better solution used by a huge chunk of the world already - the 24 hour system, which avoids these pitfalls completely. "Burning the meaning into

There's a much better solution used by a huge chunk of the world already - the 24 hour system, which avoids these pitfalls completely. "Burning the meaning into your brain" is just destined to fail when you use the 12 hour system rarely enough, like a lot of people do.