Java tutorial
//package com.java2s; import java.util.Calendar; public class Main { public static Calendar getEndOfDate(long time) { Calendar ret = Calendar.getInstance(); ret.setTimeInMillis(time); ret.set(Calendar.HOUR_OF_DAY, 23); ret.set(Calendar.MINUTE, 59); ret.set(Calendar.SECOND, 59); ret.set(Calendar.MILLISECOND, 999); return ret; } }