JAVA SPRING BOOT 시간 변경

@SpringBootApplication
public class SpringBootServerTimezoneApplication {

    @PostConstruct
    public void started() {
      // timezone UTC 셋팅
     // TimeZone.setDefault(TimeZone.getTimeZone("UTC")); //utc설정
      TimeZone.setDefault(TimeZone.getTimeZone("Asia/Seoul")); //korea time 설정
      Locale.setDefault(Locale.KOREA); //locale 설정
    }
    public static void main(String[] args) {       
      SpringApplication.run(SpringBootServerTimezoneApplication.class, args);
    }
}