diff --git a/Source/Core/Core/IOS/DolphinDevice.cpp b/Source/Core/Core/IOS/DolphinDevice.cpp
index 558ef58809..85a71a83c2 100644
--- a/Source/Core/Core/IOS/DolphinDevice.cpp
+++ b/Source/Core/Core/IOS/DolphinDevice.cpp
@@ -241,7 +241,10 @@ IPCReply DolphinDevice::GetSystemTime(const IOCtlVRequest& request) const
     return IPCReply(IPC_EINVAL);
   }
 
-  const u64 milliseconds = std::time(nullptr);
+  // Write Unix timestamp in milliseconds to memory address
+  const u64 milliseconds = std::chrono::duration_cast<std::chrono::milliseconds>(
+                               std::chrono::system_clock::now().time_since_epoch())
+                               .count();
   Memory::Write_U64(milliseconds, request.io_vectors[0].address);
   return IPCReply(IPC_SUCCESS);
 }
diff --git a/Source/Core/UICommon/DiscordPresence.cpp b/Source/Core/UICommon/DiscordPresence.cpp
index f269c27c0a..ff0afb5d25 100644
--- a/Source/Core/UICommon/DiscordPresence.cpp
+++ b/Source/Core/UICommon/DiscordPresence.cpp
@@ -290,7 +290,9 @@ void UpdateDiscordPresence(int party_size, SecretType type, const std::string& s
     discord_presence.smallImageText = "Dolphin is an emulator for the GameCube and the Wii.";
   }
   discord_presence.details = title.empty() ? "Not in-game" : title.c_str();
-  discord_presence.startTimestamp = std::time(nullptr);
+  discord_presence.startTimestamp = std::chrono::duration_cast<std::chrono::seconds>(
+                                        std::chrono::system_clock::now().time_since_epoch())
+                                        .count();
 
   if (party_size > 0)
   {