25 files changed, 570 insertions, 151 deletions

diff --git a/src/common/CMakeLists.txt b/src/common/CMakeLists.txt
index d1ec8ff08..e6769a5f3 100644
--- a/src/common/CMakeLists.txt
+++ b/src/common/CMakeLists.txt
@@ -148,6 +148,8 @@ add_library(common STATIC
     thread.h
     thread_queue_list.h
     threadsafe_queue.h
+    time_zone.cpp
+    time_zone.h
     timer.cpp
     timer.h
     uint128.cpp
diff --git a/src/common/time_zone.cpp b/src/common/time_zone.cpp
new file mode 100644
index 000000000..ce239eb63
--- /dev/null
+++ b/src/common/time_zone.cpp
@@ -0,0 +1,49 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <chrono>
+#include <iomanip>
+#include <sstream>
+
+#include "common/logging/log.h"
+#include "common/time_zone.h"
+
+namespace Common::TimeZone {
+
+std::string GetDefaultTimeZone() {
+    return "GMT";
+}
+
+static std::string GetOsTimeZoneOffset() {
+    const std::time_t t{std::time(nullptr)};
+    const std::tm tm{*std::localtime(&t)};
+
+    std::stringstream ss;
+    ss << std::put_time(&tm, "%z"); // Get the current timezone offset, e.g. "-400", as a string
+
+    return ss.str();
+}
+
+static int ConvertOsTimeZoneOffsetToInt(const std::string& timezone) {
+    try {
+        return std::stoi(timezone);
+    } catch (const std::invalid_argument&) {
+        LOG_CRITICAL(Common, "invalid_argument with {}!", timezone);
+        return 0;
+    } catch (const std::out_of_range&) {
+        LOG_CRITICAL(Common, "out_of_range with {}!", timezone);
+        return 0;
+    }
+}
+
+std::chrono::seconds GetCurrentOffsetSeconds() {
+    const int offset{ConvertOsTimeZoneOffsetToInt(GetOsTimeZoneOffset())};
+
+    int seconds{(offset / 100) * 60 * 60}; // Convert hour component to seconds
+    seconds += (offset % 100) * 60;        // Convert minute component to seconds
+
+    return std::chrono::seconds{seconds};
+}
+
+} // namespace Common::TimeZone
diff --git a/src/common/time_zone.h b/src/common/time_zone.h
new file mode 100644
index 000000000..945daa09c
--- /dev/null
+++ b/src/common/time_zone.h
@@ -0,0 +1,18 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <chrono>
+#include <string>
+
+namespace Common::TimeZone {
+
+/// Gets the default timezone, i.e. "GMT"
+std::string GetDefaultTimeZone();
+
+/// Gets the offset of the current timezone (from the default), in seconds
+std::chrono::seconds GetCurrentOffsetSeconds();
+
+} // namespace Common::TimeZone
diff --git a/src/core/hle/service/hid/hid.cpp b/src/core/hle/service/hid/hid.cpp
index 5559587e3..c84cb1483 100644
--- a/src/core/hle/service/hid/hid.cpp
+++ b/src/core/hle/service/hid/hid.cpp
@@ -157,7 +157,7 @@ Hid::Hid(Core::System& system) : ServiceFramework("hid"), system(system) {
         {11, &Hid::ActivateTouchScreen, "ActivateTouchScreen"},
         {21, &Hid::ActivateMouse, "ActivateMouse"},
         {31, &Hid::ActivateKeyboard, "ActivateKeyboard"},
-        {32, nullptr, "SendKeyboardLockKeyEvent"},
+        {32, &Hid::SendKeyboardLockKeyEvent, "SendKeyboardLockKeyEvent"},
         {40, nullptr, "AcquireXpadIdEventHandle"},
         {41, nullptr, "ReleaseXpadIdEventHandle"},
         {51, &Hid::ActivateXpad, "ActivateXpad"},
@@ -871,6 +871,15 @@ void Hid::InitializeSevenSixAxisSensor(Kernel::HLERequestContext& ctx) {
     rb.Push(RESULT_SUCCESS);
 }
 
+void Hid::SendKeyboardLockKeyEvent(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+    const auto flags{rp.Pop<u32>()};
+    LOG_WARNING(Service_HID, "(STUBBED) called. flags={}", flags);
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(RESULT_SUCCESS);
+}
+
 class HidDbg final : public ServiceFramework<HidDbg> {
 public:
     explicit HidDbg() : ServiceFramework{"hid:dbg"} {
diff --git a/src/core/hle/service/hid/hid.h b/src/core/hle/service/hid/hid.h
index 23552efb1..c8ed4ad8b 100644
--- a/src/core/hle/service/hid/hid.h
+++ b/src/core/hle/service/hid/hid.h
@@ -130,6 +130,7 @@ private:
     void SetPalmaBoostMode(Kernel::HLERequestContext& ctx);
     void StopSevenSixAxisSensor(Kernel::HLERequestContext& ctx);
     void InitializeSevenSixAxisSensor(Kernel::HLERequestContext& ctx);
+    void SendKeyboardLockKeyEvent(Kernel::HLERequestContext& ctx);
 
     std::shared_ptr<IAppletResource> applet_resource;
     Core::System& system;
diff --git a/src/core/hle/service/time/time_manager.cpp b/src/core/hle/service/time/time_manager.cpp
index 9d6c55865..b4dfe45e5 100644
--- a/src/core/hle/service/time/time_manager.cpp
+++ b/src/core/hle/service/time/time_manager.cpp
@@ -5,6 +5,7 @@
 #include <chrono>
 #include <ctime>
 
+#include "common/time_zone.h"
 #include "core/hle/service/time/ephemeral_network_system_clock_context_writer.h"
 #include "core/hle/service/time/local_system_clock_context_writer.h"
 #include "core/hle/service/time/network_system_clock_context_writer.h"
@@ -21,8 +22,16 @@ static std::chrono::seconds GetSecondsSinceEpoch() {
            Settings::values.custom_rtc_differential;
 }
 
+static s64 GetExternalTimeZoneOffset() {
+    // With "auto" timezone setting, we use the external system's timezone offset
+    if (Settings::GetTimeZoneString() == "auto") {
+        return Common::TimeZone::GetCurrentOffsetSeconds().count();
+    }
+    return 0;
+}
+
 static s64 GetExternalRtcValue() {
-    return GetSecondsSinceEpoch().count();
+    return GetSecondsSinceEpoch().count() + GetExternalTimeZoneOffset();
 }
 
 TimeManager::TimeManager(Core::System& system)
diff --git a/src/core/hle/service/time/time_zone_content_manager.cpp b/src/core/hle/service/time/time_zone_content_manager.cpp
index 78d4acd95..c070d6e97 100644
--- a/src/core/hle/service/time/time_zone_content_manager.cpp
+++ b/src/core/hle/service/time/time_zone_content_manager.cpp
@@ -5,6 +5,7 @@
 #include <sstream>
 
 #include "common/logging/log.h"
+#include "common/time_zone.h"
 #include "core/core.h"
 #include "core/file_sys/content_archive.h"
 #include "core/file_sys/nca_metadata.h"
@@ -14,6 +15,7 @@
 #include "core/hle/service/filesystem/filesystem.h"
 #include "core/hle/service/time/time_manager.h"
 #include "core/hle/service/time/time_zone_content_manager.h"
+#include "core/settings.h"
 
 namespace Service::Time::TimeZone {
 
@@ -68,10 +70,22 @@ static std::vector<std::string> BuildLocationNameCache(Core::System& system) {
 
 TimeZoneContentManager::TimeZoneContentManager(TimeManager& time_manager, Core::System& system)
     : system{system}, location_name_cache{BuildLocationNameCache(system)} {
-    if (FileSys::VirtualFile vfs_file; GetTimeZoneInfoFile("GMT", vfs_file) == RESULT_SUCCESS) {
+
+    std::string location_name;
+    const auto timezone_setting = Settings::GetTimeZoneString();
+    if (timezone_setting == "auto") {
+        location_name = Common::TimeZone::GetDefaultTimeZone();
+    } else if (timezone_setting == "default") {
+        location_name = location_name;
+    } else {
+        location_name = timezone_setting;
+    }
+
+    if (FileSys::VirtualFile vfs_file;
+        GetTimeZoneInfoFile(location_name, vfs_file) == RESULT_SUCCESS) {
         const auto time_point{
             time_manager.GetStandardSteadyClockCore().GetCurrentTimePoint(system)};
-        time_manager.SetupTimeZoneManager("GMT", time_point, location_name_cache.size(), {},
+        time_manager.SetupTimeZoneManager(location_name, time_point, location_name_cache.size(), {},
                                           vfs_file);
     } else {
         time_zone_manager.MarkAsInitialized();
@@ -114,6 +128,12 @@ ResultCode TimeZoneContentManager::GetTimeZoneInfoFile(const std::string& locati
 
     vfs_file = zoneinfo_dir->GetFile(location_name);
     if (!vfs_file) {
+        LOG_ERROR(Service_Time, "{:016X} has no file \"{}\"! Using default timezone.",
+                  time_zone_binary_titleid, location_name);
+        vfs_file = zoneinfo_dir->GetFile(Common::TimeZone::GetDefaultTimeZone());
+    }
+
+    if (!vfs_file) {
         LOG_ERROR(Service_Time, "{:016X} has no file \"{}\"!", time_zone_binary_titleid,
                   location_name);
         return ERROR_TIME_NOT_FOUND;
diff --git a/src/core/settings.cpp b/src/core/settings.cpp
index 2b0bdc4d3..da53cde05 100644
--- a/src/core/settings.cpp
+++ b/src/core/settings.cpp
@@ -63,6 +63,21 @@ const std::array<const char*, NumMouseButtons> mapping = {{
 
 Values values = {};
 
+std::string GetTimeZoneString() {
+    static constexpr std::array<const char*, 46> timezones{{
+        "auto",      "default",   "CET", "CST6CDT", "Cuba",    "EET",    "Egypt",     "Eire",
+        "EST",       "EST5EDT",   "GB",  "GB-Eire", "GMT",     "GMT+0",  "GMT-0",     "GMT0",
+        "Greenwich", "Hongkong",  "HST", "Iceland", "Iran",    "Israel", "Jamaica",   "Japan",
+        "Kwajalein", "Libya",     "MET", "MST",     "MST7MDT", "Navajo", "NZ",        "NZ-CHAT",
+        "Poland",    "Portugal",  "PRC", "PST8PDT", "ROC",     "ROK",    "Singapore", "Turkey",
+        "UCT",       "Universal", "UTC", "W-SU",    "WET",     "Zulu",
+    }};
+
+    ASSERT(Settings::values.time_zone_index < timezones.size());
+
+    return timezones[Settings::values.time_zone_index];
+}
+
 void Apply() {
     GDBStub::SetServerPort(values.gdbstub_port);
     GDBStub::ToggleServer(values.use_gdbstub);
@@ -87,6 +102,7 @@ void LogSettings() {
     LogSetting("System_CurrentUser", Settings::values.current_user);
     LogSetting("System_LanguageIndex", Settings::values.language_index);
     LogSetting("System_RegionIndex", Settings::values.region_index);
+    LogSetting("System_TimeZoneIndex", Settings::values.time_zone_index);
     LogSetting("Core_UseMultiCore", Settings::values.use_multi_core);
     LogSetting("Renderer_UseResolutionFactor", Settings::values.resolution_factor);
     LogSetting("Renderer_UseFrameLimit", Settings::values.use_frame_limit);
diff --git a/src/core/settings.h b/src/core/settings.h
index 163900f0b..c1266b341 100644
--- a/src/core/settings.h
+++ b/src/core/settings.h
@@ -394,6 +394,7 @@ struct Values {
     s32 current_user;
     s32 language_index;
     s32 region_index;
+    s32 time_zone_index;
     s32 sound_index;
 
     // Controls
@@ -490,6 +491,9 @@ struct Values {
 bool IsGPULevelExtreme();
 bool IsGPULevelHigh();
 
+std::string GetTimeZoneString();
+
 void Apply();
 void LogSettings();
+
 } // namespace Settings
diff --git a/src/video_core/engines/shader_bytecode.h b/src/video_core/engines/shader_bytecode.h
index 8dae754d4..e7cb87589 100644
--- a/src/video_core/engines/shader_bytecode.h
+++ b/src/video_core/engines/shader_bytecode.h
@@ -168,18 +168,22 @@ enum class Pred : u64 {
 };
 
 enum class PredCondition : u64 {
-    LessThan = 1,
-    Equal = 2,
-    LessEqual = 3,
-    GreaterThan = 4,
-    NotEqual = 5,
-    GreaterEqual = 6,
-    LessThanWithNan = 9,
-    LessEqualWithNan = 11,
-    GreaterThanWithNan = 12,
-    NotEqualWithNan = 13,
-    GreaterEqualWithNan = 14,
-    // TODO(Subv): Other condition types
+    F = 0,    // Always false
+    LT = 1,   // Ordered less than
+    EQ = 2,   // Ordered equal
+    LE = 3,   // Ordered less than or equal
+    GT = 4,   // Ordered greater than
+    NE = 5,   // Ordered not equal
+    GE = 6,   // Ordered greater than or equal
+    NUM = 7,  // Ordered
+    NAN_ = 8, // Unordered
+    LTU = 9,  // Unordered less than
+    EQU = 10, // Unordered equal
+    LEU = 11, // Unordered less than or equal
+    GTU = 12, // Unordered greater than
+    NEU = 13, // Unordered not equal
+    GEU = 14, // Unordered greater than or equal
+    T = 15,   // Always true
 };
 
 enum class PredOperation : u64 {
diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
index 99fd4ae2c..960ebf1a1 100644
--- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
@@ -1840,34 +1840,40 @@ private:
                 Type::HalfFloat};
     }
 
-    template <Type type>
-    Expression LogicalLessThan(Operation operation) {
-        return GenerateBinaryInfix(operation, "<", Type::Bool, type, type);
-    }
-
-    template <Type type>
-    Expression LogicalEqual(Operation operation) {
-        return GenerateBinaryInfix(operation, "==", Type::Bool, type, type);
-    }
-
-    template <Type type>
-    Expression LogicalLessEqual(Operation operation) {
-        return GenerateBinaryInfix(operation, "<=", Type::Bool, type, type);
-    }
-
-    template <Type type>
-    Expression LogicalGreaterThan(Operation operation) {
-        return GenerateBinaryInfix(operation, ">", Type::Bool, type, type);
+    template <const std::string_view& op, Type type, bool unordered = false>
+    Expression Comparison(Operation operation) {
+        static_assert(!unordered || type == Type::Float);
+
+        const Expression expr = GenerateBinaryInfix(operation, op, Type::Bool, type, type);
+
+        if constexpr (op.compare("!=") == 0 && type == Type::Float && !unordered) {
+            // GLSL's operator!=(float, float) doesn't seem be ordered. This happens on both AMD's
+            // and Nvidia's proprietary stacks. Manually force an ordered comparison.
+            return {fmt::format("({} && !isnan({}) && !isnan({}))", expr.AsBool(),
+                                VisitOperand(operation, 0).AsFloat(),
+                                VisitOperand(operation, 1).AsFloat()),
+                    Type::Bool};
+        }
+        if constexpr (!unordered) {
+            return expr;
+        }
+        // Unordered comparisons are always true for NaN operands.
+        return {fmt::format("({} || isnan({}) || isnan({}))", expr.AsBool(),
+                            VisitOperand(operation, 0).AsFloat(),
+                            VisitOperand(operation, 1).AsFloat()),
+                Type::Bool};
     }
 
-    template <Type type>
-    Expression LogicalNotEqual(Operation operation) {
-        return GenerateBinaryInfix(operation, "!=", Type::Bool, type, type);
+    Expression FOrdered(Operation operation) {
+        return {fmt::format("(!isnan({}) && !isnan({}))", VisitOperand(operation, 0).AsFloat(),
+                            VisitOperand(operation, 1).AsFloat()),
+                Type::Bool};
     }
 
-    template <Type type>
-    Expression LogicalGreaterEqual(Operation operation) {
-        return GenerateBinaryInfix(operation, ">=", Type::Bool, type, type);
+    Expression FUnordered(Operation operation) {
+        return {fmt::format("(isnan({}) || isnan({}))", VisitOperand(operation, 0).AsFloat(),
+                            VisitOperand(operation, 1).AsFloat()),
+                Type::Bool};
     }
 
     Expression LogicalAddCarry(Operation operation) {
@@ -2324,6 +2330,13 @@ private:
         Func() = delete;
         ~Func() = delete;
 
+        static constexpr std::string_view LessThan = "<";
+        static constexpr std::string_view Equal = "==";
+        static constexpr std::string_view LessEqual = "<=";
+        static constexpr std::string_view GreaterThan = ">";
+        static constexpr std::string_view NotEqual = "!=";
+        static constexpr std::string_view GreaterEqual = ">=";
+
         static constexpr std::string_view Add = "Add";
         static constexpr std::string_view Min = "Min";
         static constexpr std::string_view Max = "Max";
@@ -2425,27 +2438,34 @@ private:
         &GLSLDecompiler::LogicalPick2,
         &GLSLDecompiler::LogicalAnd2,
 
-        &GLSLDecompiler::LogicalLessThan<Type::Float>,
-        &GLSLDecompiler::LogicalEqual<Type::Float>,
-        &GLSLDecompiler::LogicalLessEqual<Type::Float>,
-        &GLSLDecompiler::LogicalGreaterThan<Type::Float>,
-        &GLSLDecompiler::LogicalNotEqual<Type::Float>,
-        &GLSLDecompiler::LogicalGreaterEqual<Type::Float>,
-        &GLSLDecompiler::LogicalFIsNan,
-
-        &GLSLDecompiler::LogicalLessThan<Type::Int>,
-        &GLSLDecompiler::LogicalEqual<Type::Int>,
-        &GLSLDecompiler::LogicalLessEqual<Type::Int>,
-        &GLSLDecompiler::LogicalGreaterThan<Type::Int>,
-        &GLSLDecompiler::LogicalNotEqual<Type::Int>,
-        &GLSLDecompiler::LogicalGreaterEqual<Type::Int>,
-
-        &GLSLDecompiler::LogicalLessThan<Type::Uint>,
-        &GLSLDecompiler::LogicalEqual<Type::Uint>,
-        &GLSLDecompiler::LogicalLessEqual<Type::Uint>,
-        &GLSLDecompiler::LogicalGreaterThan<Type::Uint>,
-        &GLSLDecompiler::LogicalNotEqual<Type::Uint>,
-        &GLSLDecompiler::LogicalGreaterEqual<Type::Uint>,
+        &GLSLDecompiler::Comparison<Func::LessThan, Type::Float, false>,
+        &GLSLDecompiler::Comparison<Func::Equal, Type::Float, false>,
+        &GLSLDecompiler::Comparison<Func::LessEqual, Type::Float, false>,
+        &GLSLDecompiler::Comparison<Func::GreaterThan, Type::Float, false>,
+        &GLSLDecompiler::Comparison<Func::NotEqual, Type::Float, false>,
+        &GLSLDecompiler::Comparison<Func::GreaterEqual, Type::Float, false>,
+        &GLSLDecompiler::FOrdered,
+        &GLSLDecompiler::FUnordered,
+        &GLSLDecompiler::Comparison<Func::LessThan, Type::Float, true>,
+        &GLSLDecompiler::Comparison<Func::Equal, Type::Float, true>,
+        &GLSLDecompiler::Comparison<Func::LessEqual, Type::Float, true>,
+        &GLSLDecompiler::Comparison<Func::GreaterThan, Type::Float, true>,
+        &GLSLDecompiler::Comparison<Func::NotEqual, Type::Float, true>,
+        &GLSLDecompiler::Comparison<Func::GreaterEqual, Type::Float, true>,
+
+        &GLSLDecompiler::Comparison<Func::LessThan, Type::Int>,
+        &GLSLDecompiler::Comparison<Func::Equal, Type::Int>,
+        &GLSLDecompiler::Comparison<Func::LessEqual, Type::Int>,
+        &GLSLDecompiler::Comparison<Func::GreaterThan, Type::Int>,
+        &GLSLDecompiler::Comparison<Func::NotEqual, Type::Int>,
+        &GLSLDecompiler::Comparison<Func::GreaterEqual, Type::Int>,
+
+        &GLSLDecompiler::Comparison<Func::LessThan, Type::Uint>,
+        &GLSLDecompiler::Comparison<Func::Equal, Type::Uint>,
+        &GLSLDecompiler::Comparison<Func::LessEqual, Type::Uint>,
+        &GLSLDecompiler::Comparison<Func::GreaterThan, Type::Uint>,
+        &GLSLDecompiler::Comparison<Func::NotEqual, Type::Uint>,
+        &GLSLDecompiler::Comparison<Func::GreaterEqual, Type::Uint>,
 
         &GLSLDecompiler::LogicalAddCarry,
 
diff --git a/src/video_core/renderer_vulkan/fixed_pipeline_state.cpp b/src/video_core/renderer_vulkan/fixed_pipeline_state.cpp
index 6cead3a28..568744e3c 100644
--- a/src/video_core/renderer_vulkan/fixed_pipeline_state.cpp
+++ b/src/video_core/renderer_vulkan/fixed_pipeline_state.cpp
@@ -93,6 +93,7 @@ void FixedPipelineState::Rasterizer::Fill(const Maxwell& regs) noexcept {
     tessellation_clockwise.Assign(regs.tess_mode.cw.Value());
     logic_op_enable.Assign(regs.logic_op.enable != 0 ? 1 : 0);
     logic_op.Assign(PackLogicOp(regs.logic_op.operation));
+    rasterize_enable.Assign(regs.rasterize_enable != 0 ? 1 : 0);
     std::memcpy(&point_size, &regs.point_size, sizeof(point_size)); // TODO: C++20 std::bit_cast
 }
 
diff --git a/src/video_core/renderer_vulkan/fixed_pipeline_state.h b/src/video_core/renderer_vulkan/fixed_pipeline_state.h
index cecaee48d..31a6398f2 100644
--- a/src/video_core/renderer_vulkan/fixed_pipeline_state.h
+++ b/src/video_core/renderer_vulkan/fixed_pipeline_state.h
@@ -164,6 +164,7 @@ struct FixedPipelineState {
             BitField<23, 1, u32> tessellation_clockwise;
             BitField<24, 1, u32> logic_op_enable;
             BitField<25, 4, u32> logic_op;
+            BitField<29, 1, u32> rasterize_enable;
         };
 
         // TODO(Rodrigo): Move this to push constants
diff --git a/src/video_core/renderer_vulkan/vk_graphics_pipeline.cpp b/src/video_core/renderer_vulkan/vk_graphics_pipeline.cpp
index 5beea6a03..69b6bba00 100644
--- a/src/video_core/renderer_vulkan/vk_graphics_pipeline.cpp
+++ b/src/video_core/renderer_vulkan/vk_graphics_pipeline.cpp
@@ -281,7 +281,7 @@ vk::Pipeline VKGraphicsPipeline::CreatePipeline(const RenderPassParams& renderpa
     rasterization_ci.pNext = nullptr;
     rasterization_ci.flags = 0;
     rasterization_ci.depthClampEnable = rs.depth_clamp_disabled == 0 ? VK_TRUE : VK_FALSE;
-    rasterization_ci.rasterizerDiscardEnable = VK_FALSE;
+    rasterization_ci.rasterizerDiscardEnable = rs.rasterize_enable == 0 ? VK_TRUE : VK_FALSE;
     rasterization_ci.polygonMode = VK_POLYGON_MODE_FILL;
     rasterization_ci.cullMode =
         rs.cull_enable ? MaxwellToVK::CullFace(rs.CullFace()) : VK_CULL_MODE_NONE;
diff --git a/src/video_core/renderer_vulkan/vk_shader_decompiler.cpp b/src/video_core/renderer_vulkan/vk_shader_decompiler.cpp
index 18678968c..167e20e91 100644
--- a/src/video_core/renderer_vulkan/vk_shader_decompiler.cpp
+++ b/src/video_core/renderer_vulkan/vk_shader_decompiler.cpp
@@ -1618,6 +1618,24 @@ private:
         return {};
     }
 
+    Expression LogicalFOrdered(Operation operation) {
+        // Emulate SPIR-V's OpOrdered
+        const Id op_a = AsFloat(Visit(operation[0]));
+        const Id op_b = AsFloat(Visit(operation[1]));
+        const Id is_num_a = OpFOrdEqual(t_bool, op_a, op_a);
+        const Id is_num_b = OpFOrdEqual(t_bool, op_b, op_b);
+        return {OpLogicalAnd(t_bool, is_num_a, is_num_b), Type::Bool};
+    }
+
+    Expression LogicalFUnordered(Operation operation) {
+        // Emulate SPIR-V's OpUnordered
+        const Id op_a = AsFloat(Visit(operation[0]));
+        const Id op_b = AsFloat(Visit(operation[1]));
+        const Id is_nan_a = OpIsNan(t_bool, op_a);
+        const Id is_nan_b = OpIsNan(t_bool, op_b);
+        return {OpLogicalOr(t_bool, is_nan_a, is_nan_b), Type::Bool};
+    }
+
     Id GetTextureSampler(Operation operation) {
         const auto& meta = std::get<MetaTexture>(operation.GetMeta());
         ASSERT(!meta.sampler.is_buffer);
@@ -2511,7 +2529,14 @@ private:
         &SPIRVDecompiler::Binary<&Module::OpFOrdGreaterThan, Type::Bool, Type::Float>,
         &SPIRVDecompiler::Binary<&Module::OpFOrdNotEqual, Type::Bool, Type::Float>,
         &SPIRVDecompiler::Binary<&Module::OpFOrdGreaterThanEqual, Type::Bool, Type::Float>,
-        &SPIRVDecompiler::Unary<&Module::OpIsNan, Type::Bool, Type::Float>,
+        &SPIRVDecompiler::LogicalFOrdered,
+        &SPIRVDecompiler::LogicalFUnordered,
+        &SPIRVDecompiler::Binary<&Module::OpFUnordLessThan, Type::Bool, Type::Float>,
+        &SPIRVDecompiler::Binary<&Module::OpFUnordEqual, Type::Bool, Type::Float>,
+        &SPIRVDecompiler::Binary<&Module::OpFUnordLessThanEqual, Type::Bool, Type::Float>,
+        &SPIRVDecompiler::Binary<&Module::OpFUnordGreaterThan, Type::Bool, Type::Float>,
+        &SPIRVDecompiler::Binary<&Module::OpFUnordNotEqual, Type::Bool, Type::Float>,
+        &SPIRVDecompiler::Binary<&Module::OpFUnordGreaterThanEqual, Type::Bool, Type::Float>,
 
         &SPIRVDecompiler::Binary<&Module::OpSLessThan, Type::Bool, Type::Int>,
         &SPIRVDecompiler::Binary<&Module::OpIEqual, Type::Bool, Type::Int>,
diff --git a/src/video_core/shader/decode.cpp b/src/video_core/shader/decode.cpp
index a75a5cc63..eeac328a6 100644
--- a/src/video_core/shader/decode.cpp
+++ b/src/video_core/shader/decode.cpp
@@ -255,7 +255,7 @@ void ShaderIR::InsertControlFlow(NodeBlock& bb, const ShaderBlock& block) {
         Node n = Operation(OperationCode::Branch, Immediate(branch_case.address));
         Node op_b = Immediate(branch_case.cmp_value);
         Node condition =
-            GetPredicateComparisonInteger(Tegra::Shader::PredCondition::Equal, false, op_a, op_b);
+            GetPredicateComparisonInteger(Tegra::Shader::PredCondition::EQ, false, op_a, op_b);
         auto result = Conditional(condition, {n});
         bb.push_back(result);
         global_code.push_back(result);
diff --git a/src/video_core/shader/decode/xmad.cpp b/src/video_core/shader/decode/xmad.cpp
index 6191ffba1..c83dc6615 100644
--- a/src/video_core/shader/decode/xmad.cpp
+++ b/src/video_core/shader/decode/xmad.cpp
@@ -97,19 +97,19 @@ u32 ShaderIR::DecodeXmad(NodeBlock& bb, u32 pc) {
             return SignedOperation(OperationCode::IAdd, is_signed_c, original_c, shifted_b);
         }
         case Tegra::Shader::XmadMode::CSfu: {
-            const Node comp_a = GetPredicateComparisonInteger(PredCondition::Equal, is_signed_a,
-                                                              op_a, Immediate(0));
-            const Node comp_b = GetPredicateComparisonInteger(PredCondition::Equal, is_signed_b,
-                                                              op_b, Immediate(0));
+            const Node comp_a =
+                GetPredicateComparisonInteger(PredCondition::EQ, is_signed_a, op_a, Immediate(0));
+            const Node comp_b =
+                GetPredicateComparisonInteger(PredCondition::EQ, is_signed_b, op_b, Immediate(0));
             const Node comp = Operation(OperationCode::LogicalOr, comp_a, comp_b);
 
             const Node comp_minus_a = GetPredicateComparisonInteger(
-                PredCondition::NotEqual, is_signed_a,
+                PredCondition::NE, is_signed_a,
                 SignedOperation(OperationCode::IBitwiseAnd, is_signed_a, op_a,
                                 Immediate(0x80000000)),
                 Immediate(0));
             const Node comp_minus_b = GetPredicateComparisonInteger(
-                PredCondition::NotEqual, is_signed_b,
+                PredCondition::NE, is_signed_b,
                 SignedOperation(OperationCode::IBitwiseAnd, is_signed_b, op_b,
                                 Immediate(0x80000000)),
                 Immediate(0));
diff --git a/src/video_core/shader/node.h b/src/video_core/shader/node.h
index 601c822d2..f75b62240 100644
--- a/src/video_core/shader/node.h
+++ b/src/video_core/shader/node.h
@@ -110,13 +110,20 @@ enum class OperationCode {
     LogicalPick2,  /// (bool2 pair, uint index) -> bool
     LogicalAnd2,   /// (bool2 a) -> bool
 
-    LogicalFLessThan,     /// (float a, float b) -> bool
-    LogicalFEqual,        /// (float a, float b) -> bool
-    LogicalFLessEqual,    /// (float a, float b) -> bool
-    LogicalFGreaterThan,  /// (float a, float b) -> bool
-    LogicalFNotEqual,     /// (float a, float b) -> bool
-    LogicalFGreaterEqual, /// (float a, float b) -> bool
-    LogicalFIsNan,        /// (float a) -> bool
+    LogicalFOrdLessThan,       /// (float a, float b) -> bool
+    LogicalFOrdEqual,          /// (float a, float b) -> bool
+    LogicalFOrdLessEqual,      /// (float a, float b) -> bool
+    LogicalFOrdGreaterThan,    /// (float a, float b) -> bool
+    LogicalFOrdNotEqual,       /// (float a, float b) -> bool
+    LogicalFOrdGreaterEqual,   /// (float a, float b) -> bool
+    LogicalFOrdered,           /// (float a, float b) -> bool
+    LogicalFUnordered,         /// (float a, float b) -> bool
+    LogicalFUnordLessThan,     /// (float a, float b) -> bool
+    LogicalFUnordEqual,        /// (float a, float b) -> bool
+    LogicalFUnordLessEqual,    /// (float a, float b) -> bool
+    LogicalFUnordGreaterThan,  /// (float a, float b) -> bool
+    LogicalFUnordNotEqual,     /// (float a, float b) -> bool
+    LogicalFUnordGreaterEqual, /// (float a, float b) -> bool
 
     LogicalILessThan,     /// (int a, int b) -> bool
     LogicalIEqual,        /// (int a, int b) -> bool
diff --git a/src/video_core/shader/shader_ir.cpp b/src/video_core/shader/shader_ir.cpp
index 822674926..e322c3402 100644
--- a/src/video_core/shader/shader_ir.cpp
+++ b/src/video_core/shader/shader_ir.cpp
@@ -10,6 +10,7 @@
 #include "common/common_types.h"
 #include "common/logging/log.h"
 #include "video_core/engines/shader_bytecode.h"
+#include "video_core/shader/node.h"
 #include "video_core/shader/node_helper.h"
 #include "video_core/shader/registry.h"
 #include "video_core/shader/shader_ir.h"
@@ -243,56 +244,44 @@ Node ShaderIR::GetSaturatedHalfFloat(Node value, bool saturate) {
 }
 
 Node ShaderIR::GetPredicateComparisonFloat(PredCondition condition, Node op_a, Node op_b) {
+    if (condition == PredCondition::T) {
+        return GetPredicate(true);
+    } else if (condition == PredCondition::F) {
+        return GetPredicate(false);
+    }
+
     static constexpr std::array comparison_table{
-        std::pair{PredCondition::LessThan, OperationCode::LogicalFLessThan},
-        std::pair{PredCondition::Equal, OperationCode::LogicalFEqual},
-        std::pair{PredCondition::LessEqual, OperationCode::LogicalFLessEqual},
-        std::pair{PredCondition::GreaterThan, OperationCode::LogicalFGreaterThan},
-        std::pair{PredCondition::NotEqual, OperationCode::LogicalFNotEqual},
-        std::pair{PredCondition::GreaterEqual, OperationCode::LogicalFGreaterEqual},
-        std::pair{PredCondition::LessThanWithNan, OperationCode::LogicalFLessThan},
-        std::pair{PredCondition::NotEqualWithNan, OperationCode::LogicalFNotEqual},
-        std::pair{PredCondition::LessEqualWithNan, OperationCode::LogicalFLessEqual},
-        std::pair{PredCondition::GreaterThanWithNan, OperationCode::LogicalFGreaterThan},
-        std::pair{PredCondition::GreaterEqualWithNan, OperationCode::LogicalFGreaterEqual},
+        OperationCode(0),
+        OperationCode::LogicalFOrdLessThan,       // LT
+        OperationCode::LogicalFOrdEqual,          // EQ
+        OperationCode::LogicalFOrdLessEqual,      // LE
+        OperationCode::LogicalFOrdGreaterThan,    // GT
+        OperationCode::LogicalFOrdNotEqual,       // NE
+        OperationCode::LogicalFOrdGreaterEqual,   // GE
+        OperationCode::LogicalFOrdered,           // NUM
+        OperationCode::LogicalFUnordered,         // NAN
+        OperationCode::LogicalFUnordLessThan,     // LTU
+        OperationCode::LogicalFUnordEqual,        // EQU
+        OperationCode::LogicalFUnordLessEqual,    // LEU
+        OperationCode::LogicalFUnordGreaterThan,  // GTU
+        OperationCode::LogicalFUnordNotEqual,     // NEU
+        OperationCode::LogicalFUnordGreaterEqual, // GEU
     };
+    const std::size_t index = static_cast<std::size_t>(condition);
+    ASSERT_MSG(index < std::size(comparison_table), "Invalid condition={}", index);
 
-    const auto comparison =
-        std::find_if(comparison_table.cbegin(), comparison_table.cend(),
-                     [condition](const auto entry) { return condition == entry.first; });
-    UNIMPLEMENTED_IF_MSG(comparison == comparison_table.cend(),
-                         "Unknown predicate comparison operation");
-
-    Node predicate = Operation(comparison->second, NO_PRECISE, op_a, op_b);
-
-    if (condition == PredCondition::LessThanWithNan ||
-        condition == PredCondition::NotEqualWithNan ||
-        condition == PredCondition::LessEqualWithNan ||
-        condition == PredCondition::GreaterThanWithNan ||
-        condition == PredCondition::GreaterEqualWithNan) {
-        predicate = Operation(OperationCode::LogicalOr, predicate,
-                              Operation(OperationCode::LogicalFIsNan, op_a));
-        predicate = Operation(OperationCode::LogicalOr, predicate,
-                              Operation(OperationCode::LogicalFIsNan, op_b));
-    }
-
-    return predicate;
+    return Operation(comparison_table[index], op_a, op_b);
 }
 
 Node ShaderIR::GetPredicateComparisonInteger(PredCondition condition, bool is_signed, Node op_a,
                                              Node op_b) {
     static constexpr std::array comparison_table{
-        std::pair{PredCondition::LessThan, OperationCode::LogicalILessThan},
-        std::pair{PredCondition::Equal, OperationCode::LogicalIEqual},
-        std::pair{PredCondition::LessEqual, OperationCode::LogicalILessEqual},
-        std::pair{PredCondition::GreaterThan, OperationCode::LogicalIGreaterThan},
-        std::pair{PredCondition::NotEqual, OperationCode::LogicalINotEqual},
-        std::pair{PredCondition::GreaterEqual, OperationCode::LogicalIGreaterEqual},
-        std::pair{PredCondition::LessThanWithNan, OperationCode::LogicalILessThan},
-        std::pair{PredCondition::NotEqualWithNan, OperationCode::LogicalINotEqual},
-        std::pair{PredCondition::LessEqualWithNan, OperationCode::LogicalILessEqual},
-        std::pair{PredCondition::GreaterThanWithNan, OperationCode::LogicalIGreaterThan},
-        std::pair{PredCondition::GreaterEqualWithNan, OperationCode::LogicalIGreaterEqual},
+        std::pair{PredCondition::LT, OperationCode::LogicalILessThan},
+        std::pair{PredCondition::EQ, OperationCode::LogicalIEqual},
+        std::pair{PredCondition::LE, OperationCode::LogicalILessEqual},
+        std::pair{PredCondition::GT, OperationCode::LogicalIGreaterThan},
+        std::pair{PredCondition::NE, OperationCode::LogicalINotEqual},
+        std::pair{PredCondition::GE, OperationCode::LogicalIGreaterEqual},
     };
 
     const auto comparison =
@@ -301,32 +290,24 @@ Node ShaderIR::GetPredicateComparisonInteger(PredCondition condition, bool is_si
     UNIMPLEMENTED_IF_MSG(comparison == comparison_table.cend(),
                          "Unknown predicate comparison operation");
 
-    Node predicate = SignedOperation(comparison->second, is_signed, NO_PRECISE, std::move(op_a),
-                                     std::move(op_b));
-
-    UNIMPLEMENTED_IF_MSG(condition == PredCondition::LessThanWithNan ||
-                             condition == PredCondition::NotEqualWithNan ||
-                             condition == PredCondition::LessEqualWithNan ||
-                             condition == PredCondition::GreaterThanWithNan ||
-                             condition == PredCondition::GreaterEqualWithNan,
-                         "NaN comparisons for integers are not implemented");
-    return predicate;
+    return SignedOperation(comparison->second, is_signed, NO_PRECISE, std::move(op_a),
+                           std::move(op_b));
 }
 
 Node ShaderIR::GetPredicateComparisonHalf(Tegra::Shader::PredCondition condition, Node op_a,
                                           Node op_b) {
     static constexpr std::array comparison_table{
-        std::pair{PredCondition::LessThan, OperationCode::Logical2HLessThan},
-        std::pair{PredCondition::Equal, OperationCode::Logical2HEqual},
-        std::pair{PredCondition::LessEqual, OperationCode::Logical2HLessEqual},
-        std::pair{PredCondition::GreaterThan, OperationCode::Logical2HGreaterThan},
-        std::pair{PredCondition::NotEqual, OperationCode::Logical2HNotEqual},
-        std::pair{PredCondition::GreaterEqual, OperationCode::Logical2HGreaterEqual},
-        std::pair{PredCondition::LessThanWithNan, OperationCode::Logical2HLessThanWithNan},
-        std::pair{PredCondition::NotEqualWithNan, OperationCode::Logical2HNotEqualWithNan},
-        std::pair{PredCondition::LessEqualWithNan, OperationCode::Logical2HLessEqualWithNan},
-        std::pair{PredCondition::GreaterThanWithNan, OperationCode::Logical2HGreaterThanWithNan},
-        std::pair{PredCondition::GreaterEqualWithNan, OperationCode::Logical2HGreaterEqualWithNan},
+        std::pair{PredCondition::LT, OperationCode::Logical2HLessThan},
+        std::pair{PredCondition::EQ, OperationCode::Logical2HEqual},
+        std::pair{PredCondition::LE, OperationCode::Logical2HLessEqual},
+        std::pair{PredCondition::GT, OperationCode::Logical2HGreaterThan},
+        std::pair{PredCondition::NE, OperationCode::Logical2HNotEqual},
+        std::pair{PredCondition::GE, OperationCode::Logical2HGreaterEqual},
+        std::pair{PredCondition::LTU, OperationCode::Logical2HLessThanWithNan},
+        std::pair{PredCondition::LEU, OperationCode::Logical2HLessEqualWithNan},
+        std::pair{PredCondition::GTU, OperationCode::Logical2HGreaterThanWithNan},
+        std::pair{PredCondition::NEU, OperationCode::Logical2HNotEqualWithNan},
+        std::pair{PredCondition::GEU, OperationCode::Logical2HGreaterEqualWithNan},
     };
 
     const auto comparison =
@@ -397,7 +378,7 @@ void ShaderIR::SetInternalFlagsFromFloat(NodeBlock& bb, Node value, bool sets_cc
     if (!sets_cc) {
         return;
     }
-    Node zerop = Operation(OperationCode::LogicalFEqual, std::move(value), Immediate(0.0f));
+    Node zerop = Operation(OperationCode::LogicalFOrdEqual, std::move(value), Immediate(0.0f));
     SetInternalFlag(bb, InternalFlag::Zero, std::move(zerop));
     LOG_WARNING(HW_GPU, "Condition codes implementation is incomplete");
 }
diff --git a/src/yuzu/configuration/config.cpp b/src/yuzu/configuration/config.cpp
index 75c6cf20b..27775701d 100644
--- a/src/yuzu/configuration/config.cpp
+++ b/src/yuzu/configuration/config.cpp
@@ -687,6 +687,8 @@ void Config::ReadSystemValues() {
 
     Settings::values.region_index = ReadSetting(QStringLiteral("region_index"), 1).toInt();
 
+    Settings::values.time_zone_index = ReadSetting(QStringLiteral("time_zone_index"), 0).toInt();
+
     const auto rng_seed_enabled = ReadSetting(QStringLiteral("rng_seed_enabled"), false).toBool();
     if (rng_seed_enabled) {
         Settings::values.rng_seed = ReadSetting(QStringLiteral("rng_seed"), 0).toULongLong();
@@ -1126,6 +1128,7 @@ void Config::SaveSystemValues() {
     WriteSetting(QStringLiteral("current_user"), Settings::values.current_user, 0);
     WriteSetting(QStringLiteral("language_index"), Settings::values.language_index, 1);
     WriteSetting(QStringLiteral("region_index"), Settings::values.region_index, 1);
+    WriteSetting(QStringLiteral("time_zone_index"), Settings::values.time_zone_index, 0);
 
     WriteSetting(QStringLiteral("rng_seed_enabled"), Settings::values.rng_seed.has_value(), false);
     WriteSetting(QStringLiteral("rng_seed"), Settings::values.rng_seed.value_or(0), 0);
diff --git a/src/yuzu/configuration/configure_system.cpp b/src/yuzu/configuration/configure_system.cpp
index f49cd4c8f..10315e7a6 100644
--- a/src/yuzu/configuration/configure_system.cpp
+++ b/src/yuzu/configuration/configure_system.cpp
@@ -57,6 +57,7 @@ void ConfigureSystem::SetConfiguration() {
 
     ui->combo_language->setCurrentIndex(Settings::values.language_index);
     ui->combo_region->setCurrentIndex(Settings::values.region_index);
+    ui->combo_time_zone->setCurrentIndex(Settings::values.time_zone_index);
     ui->combo_sound->setCurrentIndex(Settings::values.sound_index);
 
     ui->rng_seed_checkbox->setChecked(Settings::values.rng_seed.has_value());
@@ -84,6 +85,7 @@ void ConfigureSystem::ApplyConfiguration() {
 
     Settings::values.language_index = ui->combo_language->currentIndex();
     Settings::values.region_index = ui->combo_region->currentIndex();
+    Settings::values.time_zone_index = ui->combo_time_zone->currentIndex();
     Settings::values.sound_index = ui->combo_sound->currentIndex();
 
     if (ui->rng_seed_checkbox->isChecked()) {
diff --git a/src/yuzu/configuration/configure_system.h b/src/yuzu/configuration/configure_system.h
index d8fa2d2cc..26d42d5c5 100644
--- a/src/yuzu/configuration/configure_system.h
+++ b/src/yuzu/configuration/configure_system.h
@@ -37,5 +37,6 @@ private:
 
     int language_index = 0;
     int region_index = 0;
+    int time_zone_index = 0;
     int sound_index = 0;
 };
diff --git a/src/yuzu/configuration/configure_system.ui b/src/yuzu/configuration/configure_system.ui
index 4e2c7e76e..9c8cca6dc 100644
--- a/src/yuzu/configuration/configure_system.ui
+++ b/src/yuzu/configuration/configure_system.ui
@@ -22,14 +22,14 @@
         <string>System Settings</string>
        </property>
        <layout class="QGridLayout" name="gridLayout">
-        <item row="2" column="0">
+        <item row="3" column="0">
          <widget class="QLabel" name="label_sound">
           <property name="text">
            <string>Sound output mode</string>
           </property>
          </widget>
         </item>
-        <item row="3" column="0">
+        <item row="4" column="0">
          <widget class="QLabel" name="label_console_id">
           <property name="text">
            <string>Console ID:</string>
@@ -174,14 +174,255 @@
           </item>
          </widget>
         </item>
-        <item row="5" column="0">
+        <item row="2" column="0">
+         <widget class="QLabel" name="label_timezone">
+          <property name="text">
+           <string>Time Zone:</string>
+          </property>
+         </widget>
+        </item>
+        <item row="2" column="1">
+         <widget class="QComboBox" name="combo_time_zone">
+          <item>
+           <property name="text">
+            <string>Auto</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>Default</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>CET</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>CST6CDT</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>Cuba</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>EET</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>Egypt</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>Eire</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>EST</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>EST5EDT</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>GB</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>GB-Eire</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>GMT</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>GMT+0</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>GMT-0</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>GMT0</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>Greenwich</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>Hongkong</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>HST</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>Iceland</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>Iran</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>Israel</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>Jamaica</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>Japan</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>Kwajalein</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>Libya</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>MET</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>MST</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>MST7MDT</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>Navajo</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>NZ</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>NZ-CHAT</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>Poland</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>Portugal</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>PRC</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>PST8PDT</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>ROC</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>ROK</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>Singapore</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>Turkey</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>UCT</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>Universal</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>UTC</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>W-SU</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>WET</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>Zulu</string>
+           </property>
+          </item>
+         </widget>
+        </item>
+        <item row="6" column="0">
          <widget class="QCheckBox" name="rng_seed_checkbox">
           <property name="text">
            <string>RNG Seed</string>
           </property>
          </widget>
         </item>
-        <item row="2" column="1">
+        <item row="3" column="1">
          <widget class="QComboBox" name="combo_sound">
           <item>
            <property name="text">
@@ -207,7 +448,7 @@
           </property>
          </widget>
         </item>
-        <item row="3" column="1">
+        <item row="4" column="1">
          <widget class="QPushButton" name="button_regenerate_console_id">
           <property name="sizePolicy">
            <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
@@ -223,14 +464,14 @@
           </property>
          </widget>
         </item>
-        <item row="4" column="0">
+        <item row="5" column="0">
          <widget class="QCheckBox" name="custom_rtc_checkbox">
           <property name="text">
            <string>Custom RTC</string>
           </property>
          </widget>
         </item>
-        <item row="4" column="1">
+        <item row="5" column="1">
          <widget class="QDateTimeEdit" name="custom_rtc_edit">
           <property name="minimumDate">
            <date>
@@ -244,7 +485,7 @@
           </property>
          </widget>
         </item>
-        <item row="5" column="1">
+        <item row="6" column="1">
          <widget class="QLineEdit" name="rng_seed_edit">
           <property name="sizePolicy">
            <sizepolicy hsizetype="Minimum" vsizetype="Fixed">
diff --git a/src/yuzu_cmd/config.cpp b/src/yuzu_cmd/config.cpp
index 8476a5a16..2348e6e0d 100644
--- a/src/yuzu_cmd/config.cpp
+++ b/src/yuzu_cmd/config.cpp
@@ -367,6 +367,9 @@ void Config::ReadValues() {
         Settings::values.custom_rtc = std::nullopt;
     }
 
+    Settings::values.language_index = sdl2_config->GetInteger("System", "language_index", 1);
+    Settings::values.time_zone_index = sdl2_config->GetInteger("System", "time_zone_index", 0);
+
     // Core
     Settings::values.use_multi_core = sdl2_config->GetBoolean("Core", "use_multi_core", false);
 
@@ -409,8 +412,6 @@ void Config::ReadValues() {
     Settings::values.audio_device_id = sdl2_config->Get("Audio", "output_device", "auto");
     Settings::values.volume = static_cast<float>(sdl2_config->GetReal("Audio", "volume", 1));
 
-    Settings::values.language_index = sdl2_config->GetInteger("System", "language_index", 1);
-
     // Miscellaneous
     Settings::values.log_filter = sdl2_config->Get("Miscellaneous", "log_filter", "*:Trace");
     Settings::values.use_dev_keys = sdl2_config->GetBoolean("Miscellaneous", "use_dev_keys", false);
diff --git a/src/yuzu_cmd/default_ini.h b/src/yuzu_cmd/default_ini.h
index 60b1a62fa..ae94b51c4 100644
--- a/src/yuzu_cmd/default_ini.h
+++ b/src/yuzu_cmd/default_ini.h
@@ -262,6 +262,10 @@ language_index =
 # -1: Auto-select (default), 0: Japan, 1: USA, 2: Europe, 3: Australia, 4: China, 5: Korea, 6: Taiwan
 region_value =
 
+# The system time zone that yuzu will use during emulation
+# 0: Auto-select (default), 1: Default (system archive value), Others: Index for specified time zone
+time_zone_index =
+
 [Miscellaneous]
 # A filter which removes logs below a certain logging level.
 # Examples: *:Debug Kernel.SVC:Trace Service.*:Critical