diff --git a/MdePkg/Test/Mock/Include/GoogleTest/Library/MockUefiRuntimeServicesTableLib.h b/MdePkg/Test/Mock/Include/GoogleTest/Library/MockUefiRuntimeServicesTableLib.h
index 241abc55c079..bcc902cb93c2 100644
--- a/MdePkg/Test/Mock/Include/GoogleTest/Library/MockUefiRuntimeServicesTableLib.h
+++ b/MdePkg/Test/Mock/Include/GoogleTest/Library/MockUefiRuntimeServicesTableLib.h
@@ -37,6 +37,13 @@ struct MockUefiRuntimeServicesTableLib {
      IN UINTN     DataSize,
      IN VOID      *Data)
     );
+
+  MOCK_FUNCTION_DECLARATION (
+    EFI_STATUS,
+    gRT_GetTime,
+    (OUT  EFI_TIME                    *Time,
+     OUT  EFI_TIME_CAPABILITIES       *Capabilities OPTIONAL)
+    );
 };
 
 #endif
diff --git a/MdePkg/Test/Mock/Library/GoogleTest/MockUefiRuntimeServicesTableLib/MockUefiRuntimeServicesTableLib.cpp b/MdePkg/Test/Mock/Library/GoogleTest/MockUefiRuntimeServicesTableLib/MockUefiRuntimeServicesTableLib.cpp
index 14296b0ccb88..8d2afd5dd63a 100644
--- a/MdePkg/Test/Mock/Library/GoogleTest/MockUefiRuntimeServicesTableLib/MockUefiRuntimeServicesTableLib.cpp
+++ b/MdePkg/Test/Mock/Library/GoogleTest/MockUefiRuntimeServicesTableLib/MockUefiRuntimeServicesTableLib.cpp
@@ -10,11 +10,12 @@ MOCK_INTERFACE_DEFINITION (MockUefiRuntimeServicesTableLib);
 
 MOCK_FUNCTION_DEFINITION (MockUefiRuntimeServicesTableLib, gRT_GetVariable, 5, EFIAPI);
 MOCK_FUNCTION_DEFINITION (MockUefiRuntimeServicesTableLib, gRT_SetVariable, 5, EFIAPI);
+MOCK_FUNCTION_DEFINITION (MockUefiRuntimeServicesTableLib, gRT_GetTime, 2, EFIAPI);
 
 static EFI_RUNTIME_SERVICES  localRt = {
-  { 0 },              // EFI_TABLE_HEADER
+  { 0 },            // EFI_TABLE_HEADER
 
-  NULL,             // EFI_GET_TIME
+  gRT_GetTime,      // EFI_GET_TIME
   NULL,             // EFI_SET_TIME
   NULL,             // EFI_GET_WAKEUP_TIME
   NULL,             // EFI_SET_WAKEUP_TIME