amDateFormatYYMMDD method
Returns the DateTime in this format 2022/05/15
;
Implementation
String amDateFormatYYMMDD() {
final _dte = this;
final _mnth = _dte.month <= 9 ? '0${_dte.month}' : '${_dte.month}';
final _day = _dte.day <= 9 ? '0${_dte.day}' : '${_dte.day}';
return '${_dte.year}/$_mnth/$_day';
}