/* 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 z = ZoneId.of( "America/Montreal" ) ; 
LocalDate today = LocalDate.now( z ) ;
ZonedDateTime todayStart = today.atStartOfDay( z ) ;
 
long secondsSinceEpoch = todayStart.toEpochSecond() ;  // Whole seconds since epoch of 1970-01-01T00:00:00Z.
long millisecondsSinceEpoch = todayStart.toInstant().toEpochMilli() ;  // Milliseconds since epoch of 1970-01-01T00:00:00Z.
 
System.out.println( "todayStart: " + todayStart );
System.out.println( "millisecondsSinceEpoch: " + millisecondsSinceEpoch ) ;
	}
}

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