message: first day of the week fix for en
diff: [okLabel]="'OK' | translate"
  [locale]="locale"
  [formatDate]="formatDate"
  + [firstDayOfWeek]="locale === 'en' ? 0 : 1"
  [DateTimeFormat]="dateTimeFormat"
  [cancelLabel]="'CANCEL' | translate"
  [(ngModel)]="date"
  