The ISO date format The international format defined by ISO (ISO 8601) tries to address all these problems by defining a numerical date system as follows: YYYY - MM - DD where. YYYY is the year [all the digits, i.e. 2012]
Which country date format is dd mm yyyy?
Who uses yyyy-mm-dd date format?
Country DMY Details
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Israel DMY (dd/mm/yyyy)
Italy DMY (dd/mm/yyyy)
Jamaica DMY
Japan often in the form yyyy年mm月dd日; sometimes Japanese era year is used, e.g. 平成 18年12月30日.