There are a few choices of order in use in various parts of the world. Only one is unambiguous as a string of numbers: Year, month, day (where year is four digi

There are a few choices of order in use in various parts of the world. Only one is unambiguous as a string of numbers: Year, month, day (where year is four digits, not two.) Because year/day/month does not seem to be in use anywhere.