BroadcastReceiver br = new BroadcastReceiver() {
            @Override
            public void onReceive(Context context, Intent intent) {
                Log.d(LOG_TAG, "Time changed");
            }
        };
        registerReceiver(br, new IntentFilter(Intent.ACTION_TIME_CHANGED));

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12-03 23:42:00.000    2383-2383/? D/myLog﹕ Time changed
12-03 23:42:00.000    2383-2383/? D/myLog﹕ Time changed