/* 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
	{
LocalDateTime session = LocalDateTime.of(2017, Month.FEBRUARY, 12, 10, 30);
ZonedDateTime zdt = session.atZone(ZoneId.systemDefault());
long millis = zdt.toInstant().toEpochMilli();
 
 
LocalDateTime date =
    LocalDateTime.ofInstant(Instant.ofEpochMilli(millis), ZoneId.systemDefault());
 
System.out.println("millis " + millis );
System.out.println("date " + date);
	}
}

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