Java tutorial
//package com.java2s; //License from project: Open Source License import android.support.annotation.NonNull; import java.util.Calendar; public class Main { @NonNull public static Calendar getCalendar(String date) { //Date should be in the format YYYY/MM/DD if not return if (date != null && !date.isEmpty() && date.length() == 10) { int year = Integer.parseInt(date.substring(0, 4)); int month = Integer.parseInt(date.substring(5, 7)); int day = Integer.parseInt(date.substring(8, 10)); Calendar startingTime = Calendar.getInstance(); startingTime.set(year, month - 1, day, 0, 0, 0); return startingTime; } return null; } }