I want to be able to pull data from last 1 hour instead of after a specific date. Every parameter i putt is getting an error

    XMLGregorianCalendar createdAfter = MwsUtl.getDTF().newXMLGregorianCalendar(2021, 12, 26, 0, 0, 0, 0, 0);
            request.setCreatedAfter(createdAfter);