Zero = nothing. 00:00 is midnight and is neither PM nor AM. The only reason we have stupid 0 based indexing in programming is for looping. Nothing important ha

Zero = nothing. 00:00 is midnight and is neither PM nor AM. The only reason we have stupid 0 based indexing in programming is for looping. Nothing important hangs on the things you are concerned about. Which millennium doesn't really matter if it is confusing it is consistent.