/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
import java.time.* ;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		System.out.println(
			Instant.now().atZone( ZoneId.of( "Europe/Paris" ) ).toLocalDate().atStartOfDay( ZoneId.of( "Europe/Paris" ) ).getClass().getCanonicalName()  
		);
 
		Instant instant = Instant.now() ;
		ZoneId z = ZoneId.of( "Europe/Paris" ) ;
		ZonedDateTime zdt = instant.atZone( z ) ;
		LocalDate ld = zdt.toLocalDate() ;
		LocalDate ldNextDay = ld.plusDays( 1 ) ;
		ZonedDateTime zdtStartOfNextDay = ldNextDay.atStartOfDay( z ) ;
 
		System.out.println( instant ) ;             // 2020-04-13T00:15:25.235341Z
		System.out.println( zdt ) ;                 // 2020-04-13T02:15:25.235341+02:00[Europe/Paris]
		System.out.println( ld ) ;                  // 2020-04-13
		System.out.println( ldNextDay ) ;           // 2020-04-14
		System.out.println( zdtStartOfNextDay ) ;   // 2020-04-14T00:00+02:00[Europe/Paris]
	}
}

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