diff --git a/src/com/android/settings/notification/modes/ZenModeTriggerUpdatePreferenceController.java b/src/com/android/settings/notification/modes/ZenModeTriggerUpdatePreferenceController.java
index 014a1905b3b..13d5c6e9904 100644
--- a/src/com/android/settings/notification/modes/ZenModeTriggerUpdatePreferenceController.java
+++ b/src/com/android/settings/notification/modes/ZenModeTriggerUpdatePreferenceController.java
@@ -40,6 +40,7 @@ import androidx.annotation.VisibleForTesting;
 import androidx.preference.Preference;
 
 import com.android.settings.R;
+import com.android.settings.Utils;
 import com.android.settingslib.PrimarySwitchPreference;
 import com.android.settingslib.notification.modes.ZenMode;
 import com.android.settingslib.notification.modes.ZenModesBackend;
@@ -108,7 +109,9 @@ class ZenModeTriggerUpdatePreferenceController extends AbstractZenModePreference
                     tryParseScheduleConditionId(mode.getRule().getConditionId());
             if (schedule != null) {
                 preference.setTitle(SystemZenRules.getTimeSummary(mContext, schedule));
-                preference.setSummary(SystemZenRules.getShortDaysSummary(mContext, schedule));
+                preference.setSummary(Utils.createAccessibleSequence(
+                        SystemZenRules.getDaysOfWeekShort(mContext, schedule),
+                        SystemZenRules.getDaysOfWeekFull(mContext, schedule)));
             } else {
                 // Fallback, but shouldn't happen.
                 Log.wtf(TAG, "SCHEDULE_TIME mode without schedule: " + mode);
diff --git a/tests/robotests/src/com/android/settings/notification/modes/ZenModeTriggerUpdatePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/modes/ZenModeTriggerUpdatePreferenceControllerTest.java
index b7af71b50fd..d916dcfb068 100644
--- a/tests/robotests/src/com/android/settings/notification/modes/ZenModeTriggerUpdatePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/modes/ZenModeTriggerUpdatePreferenceControllerTest.java
@@ -44,6 +44,8 @@ import android.platform.test.annotations.EnableFlags;
 import android.platform.test.flag.junit.SetFlagsRule;
 import android.service.notification.SystemZenRules;
 import android.service.notification.ZenModeConfig;
+import android.text.Spanned;
+import android.text.style.TtsSpan;
 import android.widget.TextView;
 
 import androidx.preference.PreferenceManager;
@@ -293,7 +295,14 @@ public class ZenModeTriggerUpdatePreferenceControllerTest {
 
         assertThat(mPreference.isVisible()).isTrue();
         assertThat(mPreference.getTitle()).isEqualTo("1:00 AM - 3:00 PM");
-        assertThat(mPreference.getSummary()).isEqualTo("Mon - Tue, Thu");
+        Spanned summary = (Spanned) mPreference.getSummary();
+        assertThat(summary.toString()).isEqualTo("Mon - Tue, Thu");
+        TtsSpan[] ttsSpans = summary.getSpans(0, summary.length(), TtsSpan.class);
+        assertThat(ttsSpans).hasLength(1);
+        assertThat(ttsSpans[0].getType()).isEqualTo(TtsSpan.TYPE_TEXT);
+        assertThat(ttsSpans[0].getArgs().getString(TtsSpan.ARG_TEXT)).isEqualTo(
+                "Monday to Tuesday, Thursday");
+
         // Destination as written into the intent by SubSettingLauncher
         assertThat(
                 mPreference.getIntent().getStringExtra(SettingsActivity.EXTRA_SHOW_FRAGMENT))