diff --git a/libs/nativewindow/ANativeWindow.cpp b/libs/nativewindow/ANativeWindow.cpp
index 5c91d58..3b195f7 100644
--- a/libs/nativewindow/ANativeWindow.cpp
+++ b/libs/nativewindow/ANativeWindow.cpp
@@ -278,3 +278,9 @@
 int ANativeWindow_getLastQueueDuration(ANativeWindow* window) {
     return query(window, NATIVE_WINDOW_LAST_QUEUE_DURATION);
 }
+
+int64_t ANativeWindow_getLastDequeueStartTime(ANativeWindow* window) {
+    int64_t time;
+    int success = window->perform(window, NATIVE_WINDOW_GET_LAST_DEQUEUE_START, &time);
+    return success < 0 ? success : time;
+}
diff --git a/libs/nativewindow/include/apex/window.h b/libs/nativewindow/include/apex/window.h
index 82ff50d..3ddd549 100644
--- a/libs/nativewindow/include/apex/window.h
+++ b/libs/nativewindow/include/apex/window.h
@@ -39,4 +39,13 @@
  */
 int ANativeWindow_getLastQueueDuration(ANativeWindow* window);
 
+/**
+ * Retrieves the system time in nanoseconds when the last time a buffer
+ * was dequeued.
+ *
+ * \return a negative value on error, otherwise returns the duration in
+ * nanoseconds.
+ */
+int64_t ANativeWindow_getLastDequeueStartTime(ANativeWindow* window);
+
 __END_DECLS
diff --git a/libs/nativewindow/include/system/window.h b/libs/nativewindow/include/system/window.h
index 78354bb..b7ae28a 100644
--- a/libs/nativewindow/include/system/window.h
+++ b/libs/nativewindow/include/system/window.h
@@ -93,7 +93,6 @@
      */
     NATIVE_WINDOW_CONCRETE_TYPE = 5,
 
-
     /*
      * Default width and height of ANativeWindow buffers, these are the
      * dimensions of the window buffers irrespective of the
@@ -240,6 +239,7 @@
     NATIVE_WINDOW_SET_BUFFERS_CTA861_3_METADATA   = 33,
     NATIVE_WINDOW_SET_BUFFERS_HDR10_PLUS_METADATA = 34,
     NATIVE_WINDOW_SET_AUTO_PREROTATION            = 35,
+    NATIVE_WINDOW_GET_LAST_DEQUEUE_START          = 36,    /* private */
     // clang-format on
 };
 
diff --git a/libs/nativewindow/libnativewindow.map.txt b/libs/nativewindow/libnativewindow.map.txt
index b8b45ae..33c6400 100644
--- a/libs/nativewindow/libnativewindow.map.txt
+++ b/libs/nativewindow/libnativewindow.map.txt
@@ -23,6 +23,7 @@
     ANativeWindow_getFormat;
     ANativeWindow_getHeight;
     ANativeWindow_getLastDequeueDuration; # apex # introduced=30
+    ANativeWindow_getLastDequeueStartTime; # apex # introduced=30
     ANativeWindow_getLastQueueDuration; # apex # introduced=30
     ANativeWindow_getWidth;
     ANativeWindow_lock;
diff --git a/libs/nativewindow/tests/ANativeWindowTest.cpp b/libs/nativewindow/tests/ANativeWindowTest.cpp
index 9b358da..947217d 100644
--- a/libs/nativewindow/tests/ANativeWindowTest.cpp
+++ b/libs/nativewindow/tests/ANativeWindowTest.cpp
@@ -39,6 +39,9 @@
 
     // Exposes the internal last queue duration that's stored on the Surface.
     nsecs_t getLastQueueDuration() const { return mLastQueueDuration; }
+
+    // Exposes the internal last dequeue start time that's stored on the Surface.
+    nsecs_t getLastDequeueStartTime() const { return mLastDequeueStartTime; }
 };
 
 class ANativeWindowTest : public ::testing::Test {
@@ -117,3 +120,21 @@
     EXPECT_GT(result, 0);
     EXPECT_EQ(result, mWindow->getLastQueueDuration() / 1000);
 }
+
+TEST_F(ANativeWindowTest, getLastDequeueStartTime_noDequeue_returnsZero) {
+    int64_t result = ANativeWindow_getLastDequeueStartTime(mWindow.get());
+    EXPECT_EQ(0, result);
+    EXPECT_EQ(0, mWindow->getLastQueueDuration());
+}
+
+TEST_F(ANativeWindowTest, getLastDequeueStartTime_withDequeue_returnsTime) {
+    ANativeWindowBuffer* buffer;
+    int fd;
+    int dequeueResult = ANativeWindow_dequeueBuffer(mWindow.get(), &buffer, &fd);
+    close(fd);
+    EXPECT_EQ(0, dequeueResult);
+
+    int64_t result = ANativeWindow_getLastDequeueStartTime(mWindow.get());
+    EXPECT_GT(result, 0);
+    EXPECT_EQ(result, mWindow->getLastDequeueStartTime());
+}