import java.time.ZoneId;
import java.time.ZonedDateTime;

public class Main {
	public static void main(String[] args) {
		ZoneId sourceZone = ZoneId.of("Europe/Berlin");
		ZonedDateTime zdtSource = ZonedDateTime.now(sourceZone);
		System.out.println(zdtSource);

		ZoneId targetZone = ZoneId.of("America/New_York");
		ZonedDateTime zdtTarget = zdtSource.withZoneSameInstant(targetZone);
		System.out.println(zdtTarget);
	}
}