Japan does something like that; according to Wikipedia (https://en.wikipedia.org/wiki/Date_format_by_country https://en.wikipedia.org/wiki/Date_format_by_countr

Japan does something like that; according to Wikipedia (https://en.wikipedia.org/wiki/Date_format_by_country https://en.wikipedia.org/wiki/Date_format_by_country), its date format is 2020年08月16日