And yet we have survived with the convention that 12AM is midnight, and 12PM is noon for centuries. Noon is also not "12:00" - it is the infinitely small momen

And yet we have survived with the convention that 12AM is midnight, and 12PM is noon for centuries. Noon is also not "12:00" - it is the infinitely small moment at the strike of 12:00. Instantaneously it becomes post-meridiem. 12:00:00.0000000000000000000000000000001 is after noon.