diff --git a/Source/Core/Common/CMakeLists.txt b/Source/Core/Common/CMakeLists.txt
index 61bc9155da..1431239af2 100644
--- a/Source/Core/Common/CMakeLists.txt
+++ b/Source/Core/Common/CMakeLists.txt
@@ -138,6 +138,8 @@ add_library(common
   Thread.h
   Timer.cpp
   Timer.h
+  TimeUtil.cpp
+  TimeUtil.h
   TraversalClient.cpp
   TraversalClient.h
   TraversalProto.h
diff --git a/Source/Core/Common/TimeUtil.cpp b/Source/Core/Common/TimeUtil.cpp
new file mode 100644
index 0000000000..39d989fb3f
--- /dev/null
+++ b/Source/Core/Common/TimeUtil.cpp
@@ -0,0 +1,24 @@
+// Copyright 2024 Dolphin Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "Common/TimeUtil.h"
+
+#include <ctime>
+#include <optional>
+
+namespace Common
+{
+std::optional<std::tm> Localtime(std::time_t time)
+{
+  std::tm local_time;
+#ifdef _MSC_VER
+  if (localtime_s(&local_time, &time) != 0)
+    return std::nullopt;
+#else
+  std::tm* result = localtime_r(&time, &local_time);
+  if (result != &local_time)
+    return std::nullopt;
+#endif
+  return local_time;
+}
+}  // Namespace Common
diff --git a/Source/Core/Common/TimeUtil.h b/Source/Core/Common/TimeUtil.h
new file mode 100644
index 0000000000..ff9ca02a12
--- /dev/null
+++ b/Source/Core/Common/TimeUtil.h
@@ -0,0 +1,13 @@
+// Copyright 2024 Dolphin Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <ctime>
+#include <optional>
+
+namespace Common
+{
+// Threadsafe and error-checking variant of std::localtime()
+std::optional<std::tm> Localtime(std::time_t time);
+}  // Namespace Common
diff --git a/Source/Core/DolphinLib.props b/Source/Core/DolphinLib.props
index 74b3185753..42ae7ba5e6 100644
--- a/Source/Core/DolphinLib.props
+++ b/Source/Core/DolphinLib.props
@@ -161,6 +161,7 @@
     <ClInclude Include="Common\SymbolDB.h" />
     <ClInclude Include="Common\Thread.h" />
     <ClInclude Include="Common\Timer.h" />
+    <ClInclude Include="Common\TimeUtil.h" />
     <ClInclude Include="Common\TraversalClient.h" />
     <ClInclude Include="Common\TraversalProto.h" />
     <ClInclude Include="Common\TypeUtils.h" />
@@ -832,6 +833,7 @@
     <ClCompile Include="Common\SymbolDB.cpp" />
     <ClCompile Include="Common\Thread.cpp" />
     <ClCompile Include="Common\Timer.cpp" />
+    <ClCompile Include="Common\TimeUtil.cpp" />
     <ClCompile Include="Common\TraversalClient.cpp" />
     <ClCompile Include="Common\UPnP.cpp" />
     <ClCompile Include="Common\WindowsRegistry.cpp" />