Blog Alien Eyes features an obvious (but handy) tip for quickly converting the time on a 24 hour clock. Subtract 10 then 2 to get the 12 hour clock time: ...

Military time, also known as the 24-hour clock, is a system the military uses to eliminate confusion between morning and afternoon hours, since the armed forces are in operation around the clock.

That such a similar mechanism is used for cellular transportation and to set a 24-hour clock is astounding and represents evidence for convergent evolution — the independent evolution of similar ...