/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
import java.time.* ;
import java.time.format.* ;
import java.time.temporal.* ;
 
 
/* 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
	{
	    long input = 1_567_697_400_000L ;  // Count of milliseconds since 1970-01-01T00:00:00Z.
	    Instant instant = Instant.ofEpochMilli( input ) ;
 
	    ZoneId z = ZoneId.of( "America/Los_Angeles" ) ;
    	ZonedDateTime zdt = instant.atZone( z ) ;
 
	    ZoneId zDefault = ZoneId.systemDefault() ;
    	ZonedDateTime zdtDefault = zdt.withZoneSameInstant( zDefault ) ;
 
		ZoneId zKolkata = ZoneId.of( "Asia/Kolkata" ) ;
    	ZonedDateTime zdtKolkata = zdt.withZoneSameInstant( zKolkata ) ;
 
 
	    System.out.println( "instant.toString(): " + instant ) ;
    	System.out.println( "zdt.toString(): " + zdt ) ;
    	System.out.println( "zdtDefault.toString(): " + zdtDefault ) ;
    	System.out.println( "zdtKolkata.toString(): " + zdtKolkata ) ;
	}
}

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