diff --git a/thread/service/java/com/android/server/thread/ThreadNetworkControllerService.java b/thread/service/java/com/android/server/thread/ThreadNetworkControllerService.java
index b418ef6..02c6a09 100644
--- a/thread/service/java/com/android/server/thread/ThreadNetworkControllerService.java
+++ b/thread/service/java/com/android/server/thread/ThreadNetworkControllerService.java
@@ -105,6 +105,7 @@
 import android.os.IBinder;
 import android.os.Looper;
 import android.os.RemoteException;
+import android.os.SystemClock;
 import android.os.UserManager;
 import android.provider.Settings;
 import android.util.Log;
@@ -131,6 +132,8 @@
 import java.net.Inet6Address;
 import java.nio.charset.StandardCharsets;
 import java.security.SecureRandom;
+import java.time.Clock;
+import java.time.DateTimeException;
 import java.time.Instant;
 import java.util.HashMap;
 import java.util.List;
@@ -821,7 +824,6 @@
                                 networkName,
                                 supportedChannelMask,
                                 preferredChannelMask,
-                                Instant.now(),
                                 new Random(),
                                 new SecureRandom());
 
@@ -839,9 +841,18 @@
             String networkName,
             int supportedChannelMask,
             int preferredChannelMask,
-            Instant now,
             Random random,
             SecureRandom secureRandom) {
+        boolean authoritative = false;
+        Instant now = Instant.now();
+        try {
+            Clock clock = SystemClock.currentNetworkTimeClock();
+            now = clock.instant();
+            authoritative = true;
+        } catch (DateTimeException e) {
+            Log.w(TAG, "Failed to get authoritative time", e);
+        }
+
         int panId = random.nextInt(/* bound= */ 0xffff);
         final byte[] meshLocalPrefix = newRandomBytes(random, LENGTH_MESH_LOCAL_PREFIX_BITS / 8);
         meshLocalPrefix[0] = MESH_LOCAL_PREFIX_FIRST_BYTE;
@@ -855,7 +866,7 @@
         return new ActiveOperationalDataset.Builder()
                 .setActiveTimestamp(
                         new OperationalDatasetTimestamp(
-                                now.getEpochSecond() & 0xffffffffffffL, 0, false))
+                                now.getEpochSecond() & 0xffffffffffffL, 0, authoritative))
                 .setExtendedPanId(newRandomBytes(random, LENGTH_EXTENDED_PAN_ID))
                 .setPanId(panId)
                 .setNetworkName(networkName)
diff --git a/thread/tests/unit/src/com/android/server/thread/ThreadNetworkControllerServiceTest.java b/thread/tests/unit/src/com/android/server/thread/ThreadNetworkControllerServiceTest.java
index cf6eb44..8f60783 100644
--- a/thread/tests/unit/src/com/android/server/thread/ThreadNetworkControllerServiceTest.java
+++ b/thread/tests/unit/src/com/android/server/thread/ThreadNetworkControllerServiceTest.java
@@ -64,6 +64,7 @@
 import android.os.IBinder;
 import android.os.ParcelFileDescriptor;
 import android.os.RemoteException;
+import android.os.SystemClock;
 import android.os.UserManager;
 import android.os.test.TestLooper;
 import android.provider.Settings;
@@ -75,6 +76,7 @@
 import androidx.test.filters.SmallTest;
 
 import com.android.connectivity.resources.R;
+import com.android.dx.mockito.inline.extended.ExtendedMockito;
 import com.android.server.connectivity.ConnectivityResources;
 import com.android.server.thread.openthread.MeshcopTxtAttributes;
 import com.android.server.thread.openthread.testing.FakeOtDaemon;
@@ -90,7 +92,10 @@
 import org.mockito.Mock;
 import org.mockito.Mockito;
 import org.mockito.MockitoAnnotations;
+import org.mockito.MockitoSession;
 
+import java.time.Clock;
+import java.time.DateTimeException;
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.atomic.AtomicReference;
@@ -535,6 +540,53 @@
     }
 
     @Test
+    public void
+            createRandomizedDataset_noNetworkTimeClock_datasetActiveTimestampIsNotAuthoritative()
+                    throws Exception {
+        MockitoSession session =
+                ExtendedMockito.mockitoSession().mockStatic(SystemClock.class).startMocking();
+        final IActiveOperationalDatasetReceiver mockReceiver =
+                ExtendedMockito.mock(IActiveOperationalDatasetReceiver.class);
+
+        try {
+            ExtendedMockito.when(SystemClock.currentNetworkTimeClock())
+                    .thenThrow(new DateTimeException("fake throw"));
+            mService.createRandomizedDataset(DEFAULT_NETWORK_NAME, mockReceiver);
+            mTestLooper.dispatchAll();
+        } finally {
+            session.finishMocking();
+        }
+
+        verify(mockReceiver, never()).onError(anyInt(), anyString());
+        verify(mockReceiver, times(1)).onSuccess(mActiveDatasetCaptor.capture());
+        ActiveOperationalDataset activeDataset = mActiveDatasetCaptor.getValue();
+        assertThat(activeDataset.getActiveTimestamp().isAuthoritativeSource()).isFalse();
+    }
+
+    @Test
+    public void createRandomizedDataset_hasNetworkTimeClock_datasetActiveTimestampIsAuthoritative()
+            throws Exception {
+        MockitoSession session =
+                ExtendedMockito.mockitoSession().mockStatic(SystemClock.class).startMocking();
+        final IActiveOperationalDatasetReceiver mockReceiver =
+                ExtendedMockito.mock(IActiveOperationalDatasetReceiver.class);
+
+        try {
+            ExtendedMockito.when(SystemClock.currentNetworkTimeClock())
+                    .thenReturn(Clock.systemUTC());
+            mService.createRandomizedDataset(DEFAULT_NETWORK_NAME, mockReceiver);
+            mTestLooper.dispatchAll();
+        } finally {
+            session.finishMocking();
+        }
+
+        verify(mockReceiver, never()).onError(anyInt(), anyString());
+        verify(mockReceiver, times(1)).onSuccess(mActiveDatasetCaptor.capture());
+        ActiveOperationalDataset activeDataset = mActiveDatasetCaptor.getValue();
+        assertThat(activeDataset.getActiveTimestamp().isAuthoritativeSource()).isTrue();
+    }
+
+    @Test
     public void createRandomizedDataset_succeed_activeDatasetCreated() throws Exception {
         final IActiveOperationalDatasetReceiver mockReceiver =
                 mock(IActiveOperationalDatasetReceiver.class);