/* 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.*;
import java.time.zone.*;
import java.util.concurrent.*;
 
 
 
/* 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 z = ZoneId.of( "America/Montreal" );
 
    // of(int year, int month, int dayOfMonth, int hour, int minute, int second, int nanoOfSecond, ZoneId zone)
    ZonedDateTime then = ZonedDateTime.of( 2017 , 1 , 23 , 12 , 34 , 56 , 123456789 , z );
 
    ZonedDateTime now = ZonedDateTime.now( z );
 
    long days = ChronoUnit.DAYS.between( then , now );
 
    System.out.println( "then.toString(): " + then );
    System.out.println( "now.toString(): " + now );
    System.out.println( "days: " + days );
 
	}
}

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