Calendar calendar = Calendar.getInstance();

calendar.set(Calendar.HOUR_OF_DAY, 0);
calendar.set(Calendar.MINUTE, 0);
calendar.set(Calendar.SECOND, 1);
calendar.set(Calendar.DAY_OF_YEAR, 1);
calendar.set(Calendar.MILLISECOND, 0);

setAlarm(calendar.getTimeInMillis());

private void setAlarm(long timeInMillis) {
// Check if Calendar is set in the past to prevent an immediate alarm */
if (mCalendar.getTimeInMillis() < System.currentTimeMillis()) {
//Add one day to the calendar (or whatever repeat interval you would like)
        mCalendar.add(Calendar.DAY_OF_YEAR, 1); }

AlarmManager alarmManager = (AlarmManager)
getSystemService(Context.ALARM_SERVICE);
Intent intent = new Intent(this, AlarmReceiver.class);
PendingIntent pi = PendingIntent.getBroadcast(this, 0, intent, 0);
alarmManager.setRepeating(AlarmManager.RTC, timeInMillis, AlarmManager.INTERVAL_DAY, pi);

}