Utility class to work with Calendar types

CalendarUtil

import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Locale;
import java.util.TimeZone;
import java.util.logging.Logger;

/**
 *
 * @author nitin
 */
public class CalendarUtil {
    private static final Logger logger = Logger.getLogger(CalendarUtil.class.getName());
    
    public static Calendar createCalendar(int year, int month, int date) {
        logger.finest("Starting createCalendar " + String.format("(%d year - %d month - %d date)", year, month, date));
        Calendar lastSync = Calendar.getInstance();
        lastSync.set(Calendar.YEAR, year);
        lastSync.set(Calendar.MONTH, month-1);
        lastSync.set(Calendar.DAY_OF_MONTH, date);
        logger.finest("Ending createCalendar");
        return lastSync;
    }
    
    public static String calendarToIso8610(Calendar aCal) {
        SimpleDateFormat ISO8601 = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'", Locale.ENGLISH);
        TimeZone tz = TimeZone.getTimeZone("UTC"); //TimeZone.getDefault();
        ISO8601.setTimeZone(tz);
        String strOut = ISO8601.format(aCal.getTime());
        return strOut;
    }
}