How I can get available timezones (android:settings)

Question

I want to get TimeZones, that I can see in settings: Date and Time -->

Answer 1

String[]TZ = TimeZone.getAvailableIDs();
        ArrayList TZ1 = new ArrayList();
        for(int i = 0; i < TZ.length; i++) {
            if(!(TZ1.contains(TimeZone.getTimeZone(TZ[i]).getDisplayName()))) {
                TZ1.add(TimeZone.getTimeZone(TZ[i]).getDisplayName());
            }
        } 

I think this one is help you