diff --git a/src/com/android/settings/datetime/DatePreferenceController.java b/src/com/android/settings/datetime/DatePreferenceController.java
index 1704bd6febd..ace24f6c7e9 100644
--- a/src/com/android/settings/datetime/DatePreferenceController.java
+++ b/src/com/android/settings/datetime/DatePreferenceController.java
@@ -17,8 +17,9 @@
 package com.android.settings.datetime;
 
 import android.app.Activity;
-import android.app.AlarmManager;
 import android.app.DatePickerDialog;
+import android.app.timedetector.ManualTimeSuggestion;
+import android.app.timedetector.TimeDetector;
 import android.content.Context;
 import android.text.TextUtils;
 import android.text.format.DateFormat;
@@ -119,7 +120,10 @@ public class DatePreferenceController extends AbstractPreferenceController
         long when = Math.max(c.getTimeInMillis(), DatePreferenceHost.MIN_DATE);
 
         if (when / 1000 < Integer.MAX_VALUE) {
-            ((AlarmManager) mContext.getSystemService(Context.ALARM_SERVICE)).setTime(when);
+            TimeDetector timeDetector = mContext.getSystemService(TimeDetector.class);
+            ManualTimeSuggestion manualTimeSuggestion =
+                    TimeDetector.createManualTimeSuggestion(when, "Settings: Set date");
+            timeDetector.suggestManualTime(manualTimeSuggestion);
         }
     }
 }
diff --git a/src/com/android/settings/datetime/TimePreferenceController.java b/src/com/android/settings/datetime/TimePreferenceController.java
index 3ca26bc8a74..582234efaeb 100644
--- a/src/com/android/settings/datetime/TimePreferenceController.java
+++ b/src/com/android/settings/datetime/TimePreferenceController.java
@@ -17,8 +17,9 @@
 package com.android.settings.datetime;
 
 import android.app.Activity;
-import android.app.AlarmManager;
 import android.app.TimePickerDialog;
+import android.app.timedetector.ManualTimeSuggestion;
+import android.app.timedetector.TimeDetector;
 import android.content.Context;
 import android.text.TextUtils;
 import android.text.format.DateFormat;
@@ -117,7 +118,10 @@ public class TimePreferenceController extends AbstractPreferenceController
         long when = Math.max(c.getTimeInMillis(), TimePreferenceHost.MIN_DATE);
 
         if (when / 1000 < Integer.MAX_VALUE) {
-            ((AlarmManager) mContext.getSystemService(Context.ALARM_SERVICE)).setTime(when);
+            TimeDetector timeDetector = mContext.getSystemService(TimeDetector.class);
+            ManualTimeSuggestion manualTimeSuggestion =
+                    TimeDetector.createManualTimeSuggestion(when, "Settings: Set time");
+            timeDetector.suggestManualTime(manualTimeSuggestion);
         }
     }
 }
diff --git a/tests/robotests/src/com/android/settings/datetime/DatePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/datetime/DatePreferenceControllerTest.java
index e0770aa8c57..f4d46664480 100644
--- a/tests/robotests/src/com/android/settings/datetime/DatePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/datetime/DatePreferenceControllerTest.java
@@ -21,7 +21,7 @@ import static com.google.common.truth.Truth.assertThat;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import android.app.AlarmManager;
+import android.app.timedetector.TimeDetector;
 import android.content.Context;
 
 import com.android.settingslib.RestrictedPreference;
@@ -40,7 +40,7 @@ public class DatePreferenceControllerTest {
     @Mock
     private Context mContext;
     @Mock
-    private AlarmManager mAlarmManager;
+    private TimeDetector mTimeDetector;
     @Mock
     private DatePreferenceController.DatePreferenceHost mHost;
     @Mock
@@ -52,7 +52,7 @@ public class DatePreferenceControllerTest {
     @Before
     public void setUp() {
         MockitoAnnotations.initMocks(this);
-        when(mContext.getSystemService(Context.ALARM_SERVICE)).thenReturn(mAlarmManager);
+        when(mContext.getSystemService(TimeDetector.class)).thenReturn(mTimeDetector);
         mPreference = new RestrictedPreference(RuntimeEnvironment.application);
         mController = new DatePreferenceController(mContext, mHost, mAutoTimePreferenceController);
     }