List the timezone config in the jvm Daylight Saving Time database.

TimezoneList.java

import java.util.Date;
import java.time.Instant;
import java.time.ZoneId;
import java.time.ZonedDateTime;
import java.time.zone.ZoneOffsetTransition;
import java.time.zone.ZoneRules;

public class TimezoneList {

	public static void main(String[] args) {
		System.out.println(new Date());	
		ZoneId zone = ZoneId.of("America/Sao_Paulo");
	    ZoneRules rules = zone.getRules();
	    ZonedDateTime now = ZonedDateTime.now(zone);
	    ZoneOffsetTransition transition = rules.nextTransition(now.toInstant());
	    Instant max = now.plusYears(15).toInstant();
	    while (transition != null && transition.getInstant().isBefore(max)) {
	        System.out.println(transition);
	        transition = rules.nextTransition(transition.getInstant());
	    }
	}
}