/* 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
	{
		String result = 
			LocalDate
			    .of( 2021 , 11 , 20 )
			    .atStartOfDay( ZoneId.of( "Africa/Brazzaville" ) )
			    .toString() 
		;
 
		System.out.println( result ) ;
	}
}

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