import java.time.*;

public class Main {
    public static void main(String[] args) {
        Clock c = Clock.fixed(Instant.parse("2018-04-29T10:15:30.00Z"), ZoneId.of("Europe/Berlin"));
        LocalDateTime ldt = Instant.now(c).atZone(ZoneOffset.UTC).toLocalDateTime();
        System.out.println(ldt);
    }
}