Convert a date time in one time zone to another time zone

import java.time.LocalDateTime;
import java.time.Month;
import java.time.ZoneId;
import java.time.ZonedDateTime;
/*from   ww  w.ja  va2  s. c o  m*/
public class Main {
  public static void main(String[] args) {
    LocalDateTime  ldt = LocalDateTime.of(2014, Month.JUNE,  21,   16,   30);

    ZoneId  usCentral = ZoneId.of("America/Chicago"); 
    ZonedDateTime zdt   = ZonedDateTime.of(ldt, usCentral); 
    System.out.println("In US  Central Time Zone:"  + zdt);

    ZoneId  losAngeles = ZoneId.of("America/Los_Angeles"); 
    ZonedDateTime zdt2   = zdt.withZoneSameInstant(losAngeles); 
    System.out.println("In  America/Los_Angeles Time Zone:"  + zdt2);
    
  }
}