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Java 了解ZoneId的时间更改规则（ZoneRules）

欢马劈雪

工程师 (已认证)

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发表于实例源码

390

了解ZoneId的时间更改规则（ZoneRules）

实例源码：

源代码：

执行

执行中...

import java.time.LocalDateTime;

import java.time.ZoneId;

import java.time.ZoneOffset;// 来自 时   代     Java  公  众  号 - nowjava.com

import java.time.zone.ZoneOffsetTransition;

import java.time.zone.ZoneRules;

import java.util.List;

public class Main {

public static void main(String[] args) {

LocalDateTime now = LocalDateTime.now();

System.out.println("Current Date Time: " + now);

ZoneId fixedZoneId = ZoneId.of("+06:00");

ZoneId bdDhaka = ZoneId.of("Asia/Dhaka");

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

// Print some zone rules for ZoneIds

printDetails(fixedZoneId, now);

printDetails(bdDhaka, now);

printDetails(usChicago, now);

}

/*
   from n  o  w  j  a  v  a . c o m 
  */

public static void printDetails(ZoneId zoneId, LocalDateTime now) {

System.out.println("Zone ID: " + zoneId.getId());

ZoneRules rules = zoneId.getRules();

boolean isFixedOffset = rules.isFixedOffset();

System.out.println("isFixedOffset(): " + isFixedOffset);

/**代码未完, 请加载全部代码(NowJava.com).**/

编辑/阅读全部代码

执行结果：

<li>Current Date Time: 2020-03-25T16:51:26.844</li>
<li>Zone ID: +06:00</li>
<li>isFixedOffset(): true</li>
<li>Zone offset: +06:00</li>
<li>[]</li>
<li>Zone ID: Asia/Dhaka</li>
<li>isFixedOffset(): false</li>
<li>Zone offset: +06:00</li>
<li>[Transition[Overlap at 1890-01-01T00:00+06:01:40 to +05:53:20], Transition[Gap at 1941-10-01T00:00+05:53:20 to +06:30], Transition[Overlap at 1942-05-15T00:00+06:30 to +05:30], Transition[Gap at 1942-09-01T00:00+05:30 to +06:30], Transition[Overlap at 1951-09-30T00:00+06:30 to +06:00], Transition[Gap at 2009-06-19T23:00+06:00 to +07:00], Transition[Overlap at 2010-01-01T00:00+07:00 to +06:00]]</li>
<li>Zone ID: America/Chicago</li>
<li>isFixedOffset(): false</li>
<li>Zone offset: -05:00</li>
<li>[Transition[Overlap at 1883-11-18T12:09:24-05:50:36 to -06:00], Transition[Gap at 1918-03-31T02:00-06:00 to -05:00], Transition[Overlap at 1918-10-27T02:00-05:00 to -06:00], Transition[Gap at 1919-03-30T02:00-06:00 to -05:00], Transition[Overlap at 1919-10-26T02:00-05:00 to -06:00], Transition[Gap at 1920-06-13T02:00-06:00 to -05:00], Transition[Overlap at 1920-10-31T02:00-05:00 to -06:00], Transition[Gap at 1921-03-27T02:00-06:00 to -05:00], Transition[Overlap at 1921-10-30T02:00-05:00 to -06:00], Transition[Gap at 1922-04-30T02:00-06:00 to -05:00], Transition[Overlap at 1922-09-24T02:00-05:00 to -06:00], Transition[Gap at 1923-04-29T02:00-06:00 to -05:00], Transition[Overlap at 1923-09-30T02:00-05:00 to -06:00], Transition[Gap at 1924-04-27T02:00-06:00 to -05:00], Transition[Overlap at 1924-09-28T02:00-05:00 to -06:00], Transition[Gap at 1925-04-26T02:00-06:00 to -05:00], Transition[Overlap at 1925-09-27T02:00-05:00 to -06:00], Transition[Gap at 1926-04-25T02:00-06:00 to -05:00], Transition[Overlap at 1926-09-26T02:00-05:00 to -06:00], Transition[Gap at 1927-04-24T02:00-06:00 to -05:00], Transition[Overlap at 1927-09-25T02:00-05:00 to -06:00], Transition[Gap at 1928-04-29T02:00-06:00 to -05:00], Transition[Overlap at 1928-09-30T02:00-05:00 to -06:00], Transition[Gap at 1929-04-28T02:00-06:00 to -05:00], Transition[Overlap at 1929-09-29T02:00-05:00 to -06:00], Transition[Gap at 1930-04-27T02:00-06:00 to -05:00], Transition[Overlap at 1930-09-28T02:00-05:00 to -06:00], Transition[Gap at 1931-04-26T02:00-06:00 to -05:00], Transition[Overlap at 1931-09-27T02:00-05:00 to -06:00], Transition[Gap at 1932-04-24T02:00-06:00 to -05:00], Transition[Overlap at 1932-09-25T02:00-05:00 to -06:00], Transition[Gap at 1933-04-30T02:00-06:00 to -05:00], Transition[Overlap at 1933-09-24T02:00-05:00 to -06:00], Transition[Gap at 1934-04-29T02:00-06:00 to -05:00], Transition[Overlap at 1934-09-30T02:00-05:00 to -06:00], Transition[Gap at 1935-04-28T02:00-06:00 to -05:00], Transition[Overlap at 1935-09-29T02:00-05:00 to -06:00], Transition[Gap at 1936-03-01T02:00-06:00 to -05:00], Transition[Overlap at 1936-11-15T02:00-05:00 to -06:00], Transition[Gap at 1937-04-25T02:00-06:00 to -05:00], Transition[Overlap at 1937-09-26T02:00-05:00 to -06:00], Transition[Gap at 1938-04-24T02:00-06:00 to -05:00], Transition[Overlap at 1938-09-25T02:00-05:00 to -06:00], Transition[Gap at 1939-04-30T02:00-06:00 to -05:00], Transition[Overlap at 1939-09-24T02:00-05:00 to -06:00], Transition[Gap at 1940-04-28T02:00-06:00 to -05:00], Transition[Overlap at 1940-09-29T02:00-05:00 to -06:00], Transition[Gap at 1941-04-27T02:00-06:00 to -05:00], Transition[Overlap at 1941-09-28T02:00-05:00 to -06:00], Transition[Gap at 1942-02-09T02:00-06:00 to -05:00], Transition[Overlap at 1945-09-30T02:00-05:00 to -06:00], Transition[Gap at 1946-04-28T02:00-06:00 to -05:00], Transition[Overlap at 1946-09-29T02:00-05:00 to -06:00], Transition[Gap at 1947-04-27T02:00-06:00 to -05:00], Transition[Overlap at 1947-09-28T02:00-05:00 to -06:00], Transition[Gap at 1948-04-25T02:00-06:00 to -05:00], Transition[Overlap at 1948-09-26T02:00-05:00 to -06:00], Transition[Gap at 1949-04-24T02:00-06:00 to -05:00], Transition[Overlap at 1949-09-25T02:00-05:00 to -06:00], Transition[Gap at 1950-04-30T02:00-06:00 to -05:00], Transition[Overlap at 1950-09-24T02:00-05:00 to -06:00], Transition[Gap at 1951-04-29T02:00-06:00 to -05:00], Transition[Overlap at 1951-09-30T02:00-05:00 to -06:00], Transition[Gap at 1952-04-27T02:00-06:00 to -05:00], Transition[Overlap at 1952-09-28T02:00-05:00 to -06:00], Transition[Gap at 1953-04-26T02:00-06:00 to -05:00], Transition[Overlap at 1953-09-27T02:00-05:00 to -06:00], Transition[Gap at 1954-04-25T02:00-06:00 to -05:00], Transition[Overlap at 1954-09-26T02:00-05:00 to -06:00], Transition[Gap at 1955-04-24T02:00-06:00 to -05:00], Transition[Overlap at 1955-10-30T02:00-05:00 to -06:00], Transition[Gap at 1956-04-29T02:00-06:00 to -05:00], Transition[Overlap at 1956-10-28T02:00-05:00 to -06:00], Transition[Gap at 1957-04-28T02:00-06:00 to -05:00], Transition[Overlap at 1957-10-27T02:00-05:00 to -06:00], Transition[Gap at 1958-04-27T02:00-06:00 to -05:00], Transition[Overlap at 1958-10-26T02:00-05:00 to -06:00], Transition[Gap at 1959-04-26T02:00-06:00 to -05:00], Transition[Overlap at 1959-10-25T02:00-05:00 to -06:00], Transition[Gap at 1960-04-24T02:00-06:00 to -05:00], Transition[Overlap at 1960-10-30T02:00-05:00 to -06:00], Transition[Gap at 1961-04-30T02:00-06:00 to -05:00], Transition[Overlap at 1961-10-29T02:00-05:00 to -06:00], Transition[Gap at 1962-04-29T02:00-06:00 to -05:00], Transition[Overlap at 1962-10-28T02:00-05:00 to -06:00], Transition[Gap at 1963-04-28T02:00-06:00 to -05:00], Transition[Overlap at 1963-10-27T02:00-05:00 to -06:00], Transition[Gap at 1964-04-26T02:00-06:00 to -05:00], Transition[Overlap at 1964-10-25T02:00-05:00 to -06:00], Transition[Gap at 1965-04-25T02:00-06:00 to -05:00], Transition[Overlap at 1965-10-31T02:00-05:00 to -06:00], Transition[Gap at 1966-04-24T02:00-06:00 to -05:00], Transition[Overlap at 1966-10-30T02:00-05:00 to -06:00], Transition[Gap at 1967-04-30T02:00-06:00 to -05:00], Transition[Overlap at 1967-10-29T02:00-05:00 to -06:00], Transition[Gap at 1968-04-28T02:00-06:00 to -05:00], Transition[Overlap at 1968-10-27T02:00-05:00 to -06:00], Transition[Gap at 1969-04-27T02:00-06:00 to -05:00], Transition[Overlap at 1969-10-26T02:00-05:00 to -06:00], Transition[Gap at 1970-04-26T02:00-06:00 to -05:00], Transition[Overlap at 1970-10-25T02:00-05:00 to -06:00], Transition[Gap at 1971-04-25T02:00-06:00 to -05:00], Transition[Overlap at 1971-10-31T02:00-05:00 to -06:00], Transition[Gap at 1972-04-30T02:00-06:00 to -05:00], Transition[Overlap at 1972-10-29T02:00-05:00 to -06:00], Transition[Gap at 1973-04-29T02:00-06:00 to -05:00], Transition[Overlap at 1973-10-28T02:00-05:00 to -06:00], Transition[Gap at 1974-01-06T02:00-06:00 to -05:00], Transition[Overlap at 1974-10-27T02:00-05:00 to -06:00], Transition[Gap at 1975-02-23T02:00-06:00 to -05:00], Transition[Overlap at 1975-10-26T02:00-05:00 to -06:00], Transition[Gap at 1976-04-25T02:00-06:00 to -05:00], Transition[Overlap at 1976-10-31T02:00-05:00 to -06:00], Transition[Gap at 1977-04-24T02:00-06:00 to -05:00], Transition[Overlap at 1977-10-30T02:00-05:00 to -06:00], Transition[Gap at 1978-04-30T02:00-06:00 to -05:00], Transition[Overlap at 1978-10-29T02:00-05:00 to -06:00], Transition[Gap at 1979-04-29T02:00-06:00 to -05:00], Transition[Overlap at 1979-10-28T02:00-05:00 to -06:00], Transition[Gap at 1980-04-27T02:00-06:00 to -05:00], Transition[Overlap at 1980-10-26T02:00-05:00 to -06:00], Transition[Gap at 1981-04-26T02:00-06:00 to -05:00], Transition[Overlap at 1981-10-25T02:00-05:00 to -06:00], Transition[Gap at 1982-04-25T02:00-06:00 to -05:00], Transition[Overlap at 1982-10-31T02:00-05:00 to -06:00], Transition[Gap at 1983-04-24T02:00-06:00 to -05:00], Transition[Overlap at 1983-10-30T02:00-05:00 to -06:00], Transition[Gap at 1984-04-29T02:00-06:00 to -05:00], Transition[Overlap at 1984-10-28T02:00-05:00 to -06:00], Transition[Gap at 1985-04-28T02:00-06:00 to -05:00], Transition[Overlap at 1985-10-27T02:00-05:00 to -06:00], Transition[Gap at 1986-04-27T02:00-06:00 to -05:00], Transition[Overlap at 1986-10-26T02:00-05:00 to -06:00], Transition[Gap at 1987-04-05T02:00-06:00 to -05:00], Transition[Overlap at 1987-10-25T02:00-05:00 to -06:00], Transition[Gap at 1988-04-03T02:00-06:00 to -05:00], Transition[Overlap at 1988-10-30T02:00-05:00 to -06:00], Transition[Gap at 1989-04-02T02:00-06:00 to -05:00], Transition[Overlap at 1989-10-29T02:00-05:00 to -06:00], Transition[Gap at 1990-04-01T02:00-06:00 to -05:00], Transition[Overlap at 1990-10-28T02:00-05:00 to -06:00], Transition[Gap at 1991-04-07T02:00-06:00 to -05:00], Transition[Overlap at 1991-10-27T02:00-05:00 to -06:00], Transition[Gap at 1992-04-05T02:00-06:00 to -05:00], Transition[Overlap at 1992-10-25T02:00-05:00 to -06:00], Transition[Gap at 1993-04-04T02:00-06:00 to -05:00], Transition[Overlap at 1993-10-31T02:00-05:00 to -06:00], Transition[Gap at 1994-04-03T02:00-06:00 to -05:00], Transition[Overlap at 1994-10-30T02:00-05:00 to -06:00], Transition[Gap at 1995-04-02T02:00-06:00 to -05:00], Transition[Overlap at 1995-10-29T02:00-05:00 to -06:00], Transition[Gap at 1996-04-07T02:00-06:00 to -05:00], Transition[Overlap at 1996-10-27T02:00-05:00 to -06:00], Transition[Gap at 1997-04-06T02:00-06:00 to -05:00], Transition[Overlap at 1997-10-26T02:00-05:00 to -06:00], Transition[Gap at 1998-04-05T02:00-06:00 to -05:00], Transition[Overlap at 1998-10-25T02:00-05:00 to -06:00], Transition[Gap at 1999-04-04T02:00-06:00 to -05:00], Transition[Overlap at 1999-10-31T02:00-05:00 to -06:00], Transition[Gap at 2000-04-02T02:00-06:00 to -05:00], Transition[Overlap at 2000-10-29T02:00-05:00 to -06:00], Transition[Gap at 2001-04-01T02:00-06:00 to -05:00], Transition[Overlap at 2001-10-28T02:00-05:00 to -06:00], Transition[Gap at 2002-04-07T02:00-06:00 to -05:00], Transition[Overlap at 2002-10-27T02:00-05:00 to -06:00], Transition[Gap at 2003-04-06T02:00-06:00 to -05:00], Transition[Overlap at 2003-10-26T02:00-05:00 to -06:00], Transition[Gap at 2004-04-04T02:00-06:00 to -05:00], Transition[Overlap at 2004-10-31T02:00-05:00 to -06:00], Transition[Gap at 2005-04-03T02:00-06:00 to -05:00], Transition[Overlap at 2005-10-30T02:00-05:00 to -06:00], Transition[Gap at 2006-04-02T02:00-06:00 to -05:00], Transition[Overlap at 2006-10-29T02:00-05:00 to -06:00], Transition[Gap at 2007-03-11T02:00-06:00 to -05:00], Transition[Overlap at 2007-11-04T02:00-05:00 to -06:00], Transition[Gap at 2008-03-09T02:00-06:00 to -05:00], Transition[Overlap at 2008-11-02T02:00-05:00 to -06:00]]</li>

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编辑于 2020-03-26 09:23:272020-03-26 09:23:27

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