Java Data Type - 如何添加一个日期时间到时区中

import java.time.Duration;
import java.time.Period;
import java.time.ZoneId;
import java.time.ZonedDateTime;

public class Main {

  public static void main(String[] args) {

    ZonedDateTime _130AMChicagoTime = ZonedDateTime.of(2014, 3, 9, 1, 30, 0, 0,
        ZoneId.of("America/Chicago"));
    
    
    System.out.println(_130AMChicagoTime.plusHours(3));
    System.out.println(_130AMChicagoTime.plus(Duration.ofHours(3)));

    System.out.println(_130AMChicagoTime.plus(Duration.ofDays(2))); 
    System.out.println(_130AMChicagoTime.plus(Period.ofDays(2))); 
  }
}