Java tutorial
//package com.java2s; import android.annotation.SuppressLint; import java.text.SimpleDateFormat; import java.util.Calendar; import java.util.Date; public class Main { @SuppressLint("SimpleDateFormat") public static String getCurrentTime() { SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMddHHmmss"); String time = formatter.format(new Date()); Calendar c = Calendar.getInstance(); int dayOfWeek = c.get(Calendar.DAY_OF_WEEK); if (dayOfWeek == 1) time += ("07"); else time += ("0" + (dayOfWeek - 1)); return time; } }