Java tutorial
//package com.java2s; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Date; public class Main { public static Date combineDateTime(Date date, Date time) { SimpleDateFormat timeF = new SimpleDateFormat("HH-mm"); SimpleDateFormat dateF = new SimpleDateFormat("DD-MM-yyyy"); SimpleDateFormat dateTimeF = new SimpleDateFormat("DD-MM-yyyy-HH-mm"); String dateStr = dateF.format(date); String timeStr = timeF.format(time); String result = dateStr + "-" + timeStr; Date resultDateTime = null; try { resultDateTime = dateTimeF.parse(result); } catch (ParseException e) { // TODO Auto-generated catch block e.printStackTrace(); } return resultDateTime; } }