DayLight change in Italy

http://www.uniquevisitor.it/magazine/ora-legale-italia.php

	package org.enricogiurin.ocpjp.ch5;
	import java.time.*;
	/**
	* Created by enrico on 11/19/16.
	* ora legale
	*/
	public class DayLight {
	public static void main(String[] args) {
	DayLight dayLight = new DayLight();
	dayLight.oraLegaleInItalia();
	}
	public void oraLegaleInItalia() {
	//26/3/2017 - 02:00 - entra ora legale
	//29/10/2017 -03:00 - torna ora solare
	LocalDate localDate = LocalDate.of(2017, Month.MARCH, 26);
	LocalTime localTime = LocalTime.of(1, 30);
	ZoneId defaultZoneId = ZoneId.systemDefault(); //Europe/Rome
	ZonedDateTime zonedDateTime = ZonedDateTime.of(localDate, localTime, defaultZoneId);
	//it is 1.30 and the GMT +1
	System.out.println(zonedDateTime);
	zonedDateTime = zonedDateTime.plusHours(1);
	//it is 3.30 and the GMT +2
	System.out.println(zonedDateTime);
	//now let's go to october (torna ora solare)
	localDate = LocalDate.of(2017, Month.OCTOBER, 29);
	localTime = LocalTime.of(2, 30); //note the daylight starts at 3:00
	defaultZoneId = ZoneId.systemDefault(); //Europe/Rome
	zonedDateTime = ZonedDateTime.of(localDate, localTime, defaultZoneId);
	//it is 2.30 and the GMT +2
	System.out.println(zonedDateTime);
	zonedDateTime = zonedDateTime.plusHours(1);
	//it is 2.30 and the GMT +1
	System.out.println(zonedDateTime);
	}
	}

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