/* 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
	{
 
    Instant instant = Instant.ofEpochMilli( 1_554_091_200_000L ) ;
 
    ZoneId z = ZoneId.of( "America/Puerto_Rico" ) ;
    ZonedDateTime zdt = instant.atZone( z ) ;
 
    System.out.println( "instant.toString(): " + instant ) ;
    System.out.println( "zdt.toString(): " + zdt ) ;
 
	}
}

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