Coverting Date to XMLGregorianCalendar format in java

private XMLGregorianCalendar Date2XMLDate(Date d)
throws DatatypeConfigurationException {

Calendar c = new GregorianCalendar();
c.setTime(d);
int month = c.get(Calendar.MONTH)+1;
int day = c.get(Calendar.DAY_OF_MONTH);
int year = c.get(Calendar.YEAR);
DatatypeFactory df = DatatypeFactory.newInstance();

XMLGregorianCalendar x = df.newXMLGregorianCalendarDate(year, month, day, c.getTimeZone().getOffset(d.getTime())/(60*60*1000));
return x;
}