Java tutorial
//package com.java2s; import java.text.SimpleDateFormat; import java.util.Calendar; import java.util.Date; public class Main { public static String GetFormatDateStrByMillseconds(long milliseconds) { Calendar cal = Calendar.getInstance(); cal.setTimeInMillis(milliseconds); return GetFormatedDate(cal.getTime()); } public static String GetFormatedDate(Date date) { SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd"); return sdf.format(date); } }