Here you can find the source of is24HourLocale(Locale l)
public static boolean is24HourLocale(Locale l)
//package com.java2s; /******************************************************************************* * Mirakel is an Android App for managing your ToDo-Lists * /*from w ww.j a va 2 s . c o m*/ * Copyright (c) 2013-2014 Anatolij Zelenin, Georg Semmler. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. ******************************************************************************/ import java.text.SimpleDateFormat; import java.util.Date; import java.util.Locale; public class Main { public static boolean is24HourLocale(Locale l) { String output = SimpleDateFormat.getTimeInstance( SimpleDateFormat.SHORT, l).format(new Date()); if (output.contains(" AM") || output.contains(" PM")) return false; return true; } }