sometimes more than one of them in the same country depending on whether people use the old format or the "new" official format https://en.wikipedia.org/wiki/Da

sometimes more than one of them in the same country depending on whether people use the old format or the "new" official format https://en.wikipedia.org/wiki/Date_and_time_notation_in_Denmark https://en.wikipedia.org/wiki/Date_and_time_notation_in_Denm... and isn't even consistent in delimiters