import java.time.LocalDate;

import java.time.LocalDateTime;

import java.time.ZoneId;

import java.time.ZonedDateTime;

import java.util.TimeZone;

import org.springframework.data.convert.Jsr310Converters.LocalDateToDateConverter;

public class test {

public static void main(String[] args) {

  System.out.println(ZoneId.systemDefault());

  System.out.println(TimeZone.getDefault().toZoneId());

  LocalDate a=LocalDate.now();

  System.out.println(a);

  LocalDateToUTCDateConverter converter1=new LocalDateToUTCDateConverter();

  System.out.println(converter1.convert(a));

  System.out.println(LocalDateToDateConverter.INSTANCE.convert(a));

  LocalDateTime localDateTime=LocalDateTime.now();

  System.out.println(localDateTime);

  System.out.println(ZonedDateTime.of(localDateTime, ZoneId.of("UTC")));

  System.out.println(ZonedDateTime.of(localDateTime, ZoneId.systemDefault()));

}

}