DateChangeListener

public class DateChangeBroadcastListener extends BroadcastReceiver {

    @Override
    public void onReceive(Context context, Intent intent) {
        final String action = intent.getAction();

        if (action != null && (action.equals(Intent.ACTION_DATE_CHANGED)
                || action.equals(Intent.ACTION_TIME_CHANGED))) {
            Toast.makeText(context, "Date changed", Toast.LENGTH_SHORT).show();
        }
    }
}