--- a/mobile/android/services/src/main/java/org/mozilla/gecko/sync/stage/ServerSyncStage.java
+++ b/mobile/android/services/src/main/java/org/mozilla/gecko/sync/stage/ServerSyncStage.java
@@ -1,15 +1,16 @@
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 package org.mozilla.gecko.sync.stage;
 
 import android.content.Context;
+import android.os.SystemClock;
 
 import org.mozilla.gecko.background.common.log.Logger;
 import org.mozilla.gecko.sync.EngineSettings;
 import org.mozilla.gecko.sync.GlobalSession;
 import org.mozilla.gecko.sync.HTTPFailureException;
 import org.mozilla.gecko.sync.MetaGlobalException;
 import org.mozilla.gecko.sync.NoCollectionKeysSetException;
 import org.mozilla.gecko.sync.NonObjectJSONException;
@@ -470,17 +471,17 @@ public abstract class ServerSyncStage ex
     Logger.info(LOG_TAG, "Wiping server complete.");
   }
 
   @Override
   public void execute() throws NoSuchStageException {
     final String name = getEngineName();
     Logger.debug(LOG_TAG, "Starting execute for " + name);
 
-    stageStartTimestamp = System.currentTimeMillis();
+    stageStartTimestamp = SystemClock.elapsedRealtime();
 
     try {
       if (!this.isEnabled()) {
         Logger.info(LOG_TAG, "Skipping stage " + name + ".");
         session.advance();
         return;
       }
     } catch (MetaGlobalException.MetaGlobalMalformedSyncIDException e) {
@@ -570,17 +571,17 @@ public abstract class ServerSyncStage ex
 
   /**
    * We synced this engine!  Persist timestamps and advance the session.
    *
    * @param synchronizer the <code>Synchronizer</code> that succeeded.
    */
   @Override
   public void onSynchronized(Synchronizer synchronizer) {
-    stageCompleteTimestamp = System.currentTimeMillis();
+    stageCompleteTimestamp = SystemClock.elapsedRealtime();
     Logger.debug(LOG_TAG, "onSynchronized.");
 
     SynchronizerConfiguration newConfig = synchronizer.save();
     if (newConfig != null) {
       persistConfig(newConfig);
     } else {
       Logger.warn(LOG_TAG, "Didn't get configuration from synchronizer after success.");
     }
@@ -600,17 +601,17 @@ public abstract class ServerSyncStage ex
    * the next sync will include this sync's data), but do advance the session
    * (if we didn't get a Retry-After header).
    *
    * @param synchronizer the <code>Synchronizer</code> that failed.
    */
   @Override
   public void onSynchronizeFailed(Synchronizer synchronizer,
                                   Exception lastException, String reason) {
-    stageCompleteTimestamp = System.currentTimeMillis();
+    stageCompleteTimestamp = SystemClock.elapsedRealtime();
     Logger.warn(LOG_TAG, "Synchronize failed: " + reason, lastException);
 
     // This failure could be due to a 503 or a 401 and it could have headers.
     // Interrogate the headers but only abort the global session if Retry-After header is set.
     if (lastException instanceof HTTPFailureException) {
       SyncStorageResponse response = ((HTTPFailureException)lastException).response;
       if (response.retryAfterInSeconds() > 0) {
         session.handleHTTPError(response, reason); // Calls session.abort().