Non-English months / weekdays

Month/weekday names can be set on all charts using the following properties of AmCharts class: monthNames, shortMonthNames, dayNames and shortDayNames.

So, to translate month names to German, you should set:

AmCharts.monthNames = [
  'Januar',
  'Februar',
  'März',
  'April',
  'Mai',
  'Juni',
  'Juli',
  'August',
  'September',
  'Oktober',
  'November',
  'Dezember'];