使用ZoneDateTime类

import java.time.Instant;

import java.time.LocalDateTime;

import java.time.Month;

import java.time.OffsetDateTime;
/**
 * 时代Java公众号 - nowjava.com 提 供 
**/

import java.time.ZoneId;

import java.time.ZoneOffset;

import java.time.ZonedDateTime;


public class Main {

  public static void main(String[] args) {

    // Get the current zoned datetime for the system default time zone

    ZonedDateTime zdt1 = ZonedDateTime.now();

    System.out.println("Current zoned datetime:" + zdt1);

    //来 自 时代Java公众号

    // Create a local datetime

    LocalDateTime ldt = LocalDateTime.of(2019, Month.MARCH, 11, 7, 30);


    // Create some zoned datetimes

    ZoneId usCentralZone = ZoneId.of("America/Chicago");

    ZonedDateTime zdt2 = ZonedDateTime.of(ldt, usCentralZone);       

    System.out.println(zdt2);

    

    // Get zone-offset and zone id

    ZoneOffset offset = zdt2.getOffset();

    ZoneId zone = zdt2.getZone();

    System.out.println("Offset:" + offset + ", Zone:" + zone);

  

    // Subtract 10 hours. Zone-offset changes from -05:00 to -06:00

    ZonedDateTime zdt3 = zdt2.minusHours(10);

    System.out.println(zdt3);

    

    // Create a datetime in Asia/Kolkata time zone

    ZoneId indiaKolkataZone = ZoneId.of("Asia/Kolkata");

    ZonedDateTime zdt4 = ZonedDateTime.of(ldt, indiaKolkataZone); 

    System.out.println(zdt4);

    

    // Perform some conversions on zoned date time