import java.util.Calendar;

import java.util.Date;

import java.text.DateFormat;

import java.text.SimpleDateFormat;

void DisplayDateMonthTime() {

    Date date = Calendar.getInstance().getTime();
    DateFormat formatter = new SimpleDateFormat("EEEE, dd MMMM yyyy, hh:mm:ss a");
    String today = formatter.format(date);
    System.out.println("Today : " + today);
    DateTime.setText(today);

}

Output

Sunday, 17 June 2012, 11:15:05 PM

I've used Label named "DateTime" to display the above date.