Java tutorial
//package com.java2s; import org.joda.time.DateTime; import java.util.Calendar; import java.util.Date; public class Main { public static boolean sameDay(DateTime then, DateTime now) { if (then == null || now == null) { return false; } return sameDay(then.toDate(), now.toDate()); } public static boolean sameDay(Date then, Date now) { Calendar cal1 = Calendar.getInstance(); Calendar cal2 = Calendar.getInstance(); cal1.setTime(then); cal2.setTime(now); return cal1.get(Calendar.YEAR) == cal2.get(Calendar.YEAR) && cal1.get(Calendar.DAY_OF_YEAR) == cal2.get(Calendar.DAY_OF_YEAR); } }