/* 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
	{
 
ZoneId laZone = ZoneId.of("America/Los_Angeles"); 
ZoneId nyZone = ZoneId.of("America/New_York"); 
LocalDateTime ldt = LocalDateTime.of(2017, 12, 02, 6, 0, 0);         
ZonedDateTime nyZdt = ldt.atZone(nyZone);
ZonedDateTime laZdt = ldt.atZone(laZone);
Duration d = Duration.between(nyZdt, laZdt);
System.out.println(d);
 
 
	}
}

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