diff --git a/packages/flutter/lib/src/material/time_picker.dart b/packages/flutter/lib/src/material/time_picker.dart
index cfe4454..b249c4b 100644
--- a/packages/flutter/lib/src/material/time_picker.dart
+++ b/packages/flutter/lib/src/material/time_picker.dart
@@ -696,14 +696,14 @@
 
   @override
   void updateRenderObject(BuildContext context, covariant _RenderInputPadding renderObject) {
-    renderObject.minSize = minSize;
+    renderObject
+      ..minSize = minSize
+      ..orientation = orientation;
   }
 }
 
 class _RenderInputPadding extends RenderShiftedBox {
-  _RenderInputPadding(this._minSize, this.orientation, [RenderBox? child]) : super(child);
-
-  final Orientation orientation;
+  _RenderInputPadding(this._minSize, this._orientation, [RenderBox? child]) : super(child);
 
   Size get minSize => _minSize;
   Size _minSize;
@@ -715,6 +715,16 @@
     markNeedsLayout();
   }
 
+  Orientation get orientation => _orientation;
+  Orientation _orientation;
+  set orientation(Orientation value) {
+    if (_orientation == value) {
+      return;
+    }
+    _orientation = value;
+    markNeedsLayout();
+  }
+
   @override
   double computeMinIntrinsicWidth(double height) {
     if (child != null) {
diff --git a/packages/flutter/test/material/time_picker_test.dart b/packages/flutter/test/material/time_picker_test.dart
index aa055e9..ba40341 100644
--- a/packages/flutter/test/material/time_picker_test.dart
+++ b/packages/flutter/test/material/time_picker_test.dart
@@ -612,6 +612,27 @@
     tester.binding.window.clearDevicePixelRatioTestValue();
   });
 
+  testWidgets('when change orientation, should reflect in render objects', (WidgetTester tester) async {
+    // portrait
+    tester.binding.window.physicalSizeTestValue = const Size(800, 800.5);
+    tester.binding.window.devicePixelRatioTestValue = 1;
+    await mediaQueryBoilerplate(tester, false);
+
+    RenderObject render = tester.renderObject(find.byWidgetPredicate((Widget w) => '${w.runtimeType}' == '_DayPeriodInputPadding'));
+    expect((render as dynamic).orientation, Orientation.portrait); // ignore: avoid_dynamic_calls
+
+    // landscape
+    tester.binding.window.physicalSizeTestValue = const Size(800.5, 800);
+    tester.binding.window.devicePixelRatioTestValue = 1;
+    await mediaQueryBoilerplate(tester, false, tapButton: false);
+
+    render = tester.renderObject(find.byWidgetPredicate((Widget w) => '${w.runtimeType}' == '_DayPeriodInputPadding'));
+    expect((render as dynamic).orientation, Orientation.landscape); // ignore: avoid_dynamic_calls
+
+    tester.binding.window.clearPhysicalSizeTestValue();
+    tester.binding.window.clearDevicePixelRatioTestValue();
+  });
+
   testWidgets('builder parameter', (WidgetTester tester) async {
     Widget buildFrame(TextDirection textDirection) {
       return MaterialApp(
@@ -1342,6 +1363,7 @@
   String? errorInvalidText,
   bool accessibleNavigation = false,
   EntryModeChangeCallback? onEntryModeChange,
+  bool tapButton = true,
 }) async {
   await tester.pumpWidget(
     Localizations(
@@ -1355,6 +1377,7 @@
           alwaysUse24HourFormat: alwaysUse24HourFormat,
           textScaleFactor: textScaleFactor,
           accessibleNavigation: accessibleNavigation,
+          size: tester.binding.window.physicalSize / tester.binding.window.devicePixelRatio,
         ),
         child: Material(
           child: Directionality(
@@ -1385,6 +1408,8 @@
       ),
     ),
   );
-  await tester.tap(find.text('X'));
+  if (tapButton) {
+    await tester.tap(find.text('X'));
+  }
   await tester.pumpAndSettle();
 }