Java tutorial
//package com.java2s; import java.util.Calendar; public class Main { public static Calendar getFirstDayOfWeek() { Calendar cal = Calendar.getInstance(); cal.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY); cal.set(Calendar.HOUR_OF_DAY, 0); cal.set(Calendar.MINUTE, 0); cal.set(Calendar.SECOND, 0); cal.set(Calendar.MILLISECOND, 0); return cal; } }