Format day like 1st,2nd,3rd.. in JSP

formatDay.jsp

<%@ tag body-content="empty" trimDirectiveWhitespaces="true"%>
<%@ attribute name="day" required="true" type="String"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<%@ taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions"%>
<%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt"%>
<fmt:parseNumber var="n" type="number" value="${day}" />
${day}
<sup>
  <c:choose>
		<c:when test="${n >= 11 && n <= 13}">th </c:when>
		<c:when test="${n%10 == 1}">st </c:when>
		<c:when test="${n%10 == 2}">nd </c:when>
		<c:when test="${n%10 == 3}">rd </c:when>
		<c:otherwise>th</c:otherwise>
	</c:choose>
</sup>