diff --git a/README.md b/README.md
index f0f8992d..3f89ec7d 100644
--- a/README.md
+++ b/README.md
@@ -47,6 +47,7 @@ As of now, here is the list of achievements of this project:
  - Supported by 2 companion apps (development is in progress):
     * [Gadgetbridge](https://codeberg.org/Freeyourgadget/Gadgetbridge/) (on Android)
     * [Amazfish](https://openrepos.net/content/piggz/amazfish) (on SailfishOS and Linux)
+    * **[Experimental]** [WebBLEWatch](https://hubmartin.github.io/WebBLEWatch/) Synchronize time directly from your web browser. [video](https://youtu.be/IakiuhVDdrY)
  - **[Experimental]** OTA (Over-the-air) update via BLE
  - **[Experimental]** Bootloader based on [MCUBoot](https://juullabs-oss.github.io/mcuboot/)
  
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index ee697e01..08e9d631 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -2,6 +2,17 @@ cmake_minimum_required(VERSION 3.10)
 
 project(pinetime-app C CXX ASM)
 
+
+set(CMAKE_C_STANDARD 99)
+set(CMAKE_CXX_STANDARD 14)
+
+# set(CMAKE_GENERATOR "Unix Makefiles")
+set(CMAKE_C_EXTENSIONS OFF)
+set(CMAKE_C_STANDARD_REQUIRED ON)
+set(CMAKE_CXX_EXTENSIONS OFF)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+
 # define some variables just for this example to determine file locations
 set(NRF_PROJECT_NAME pinetime-app)
 set(NRF_BOARD pca10040)
@@ -751,7 +762,7 @@ target_compile_options(nrf-sdk PRIVATE
         $<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -O3>
         $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -O0>
         $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -O3>
-        $<$<COMPILE_LANGUAGE:ASM>: -MP -MD -std=c99 -x assembler-with-cpp>
+        $<$<COMPILE_LANGUAGE:ASM>: -MP -MD -x assembler-with-cpp>
         )
 
 # NimBLE
@@ -763,7 +774,7 @@ target_compile_options(nimble PRIVATE
         $<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -O3 -Wno-unused-but-set-variable -Wno-maybe-uninitialized>
         $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -O0 -g3 -Wno-unused-but-set-variable -Wno-maybe-uninitialized>
         $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -O3 -Wno-unused-but-set-variable -Wno-maybe-uninitialized>
-        $<$<COMPILE_LANGUAGE:ASM>: -MP -MD -std=c99 -x assembler-with-cpp>
+        $<$<COMPILE_LANGUAGE:ASM>: -MP -MD -x assembler-with-cpp>
         )
 
 # lvgl
@@ -775,7 +786,7 @@ target_compile_options(lvgl PRIVATE
         $<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -O3>
         $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -O0 -g3>
         $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -O3>
-        $<$<COMPILE_LANGUAGE:ASM>: -MP -MD -std=c99 -x assembler-with-cpp>
+        $<$<COMPILE_LANGUAGE:ASM>: -MP -MD -x assembler-with-cpp>
         )
 
 # Build autonomous binary (without support for bootloader)
@@ -790,12 +801,12 @@ target_compile_options(${EXECUTABLE_NAME} PUBLIC
         $<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -O3>
         $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -O0 -g3>
         $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -O3>
-        $<$<COMPILE_LANGUAGE:ASM>: -MP -MD -std=c99 -x assembler-with-cpp>
+        $<$<COMPILE_LANGUAGE:ASM>: -MP -MD -x assembler-with-cpp>
         )
 
 set_target_properties(${EXECUTABLE_NAME} PROPERTIES
         SUFFIX ".out"
-        LINK_FLAGS "-mthumb -mabi=aapcs -std=gnu++98 -std=c99 -L ${NRF5_SDK_PATH}/modules/nrfx/mdk -T${NRF5_LINKER_SCRIPT} -mcpu=cortex-m4 -mfloat-abi=hard -mfpu=fpv4-sp-d16 -Wl,--gc-sections --specs=nano.specs -lc -lnosys -lm -Wl,-Map=${EXECUTABLE_FILE_NAME}.map"
+        LINK_FLAGS "-mthumb -mabi=aapcs -L ${NRF5_SDK_PATH}/modules/nrfx/mdk -T${NRF5_LINKER_SCRIPT} -mcpu=cortex-m4 -mfloat-abi=hard -mfpu=fpv4-sp-d16 -Wl,--gc-sections --specs=nano.specs -lc -lnosys -lm -Wl,-Map=${EXECUTABLE_FILE_NAME}.map"
         CXX_STANDARD 11
         C_STANDARD 99
         )
@@ -822,12 +833,12 @@ target_compile_options(${EXECUTABLE_MCUBOOT_NAME} PUBLIC
         $<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -O3>
         $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -O0 -g3>
         $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -O3>
-        $<$<COMPILE_LANGUAGE:ASM>: -MP -MD -std=c99 -x assembler-with-cpp>
+        $<$<COMPILE_LANGUAGE:ASM>: -MP -MD -x assembler-with-cpp>
         )
 
 set_target_properties(${EXECUTABLE_MCUBOOT_NAME} PROPERTIES
         SUFFIX ".out"
-        LINK_FLAGS "-mthumb -mabi=aapcs -std=gnu++98 -std=c99 -L ${NRF5_SDK_PATH}/modules/nrfx/mdk -T${NRF5_LINKER_SCRIPT_MCUBOOT} -mcpu=cortex-m4 -mfloat-abi=hard -mfpu=fpv4-sp-d16 -Wl,--gc-sections --specs=nano.specs -lc -lnosys -lm -Wl,-Map=${EXECUTABLE_MCUBOOT_FILE_NAME}.map"
+        LINK_FLAGS "-mthumb -mabi=aapcs -L ${NRF5_SDK_PATH}/modules/nrfx/mdk -T${NRF5_LINKER_SCRIPT_MCUBOOT} -mcpu=cortex-m4 -mfloat-abi=hard -mfpu=fpv4-sp-d16 -Wl,--gc-sections --specs=nano.specs -lc -lnosys -lm -Wl,-Map=${EXECUTABLE_MCUBOOT_FILE_NAME}.map"
         CXX_STANDARD 11
         C_STANDARD 99
         )
@@ -851,12 +862,12 @@ target_compile_options(${EXECUTABLE_GRAPHICS_NAME} PUBLIC
         $<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -O3>
         $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -O0 -g3>
         $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -O3>
-        $<$<COMPILE_LANGUAGE:ASM>: -MP -MD -std=c99 -x assembler-with-cpp>
+        $<$<COMPILE_LANGUAGE:ASM>: -MP -MD -x assembler-with-cpp>
         )
 
 set_target_properties(${EXECUTABLE_GRAPHICS_NAME} PROPERTIES
         SUFFIX ".out"
-        LINK_FLAGS "-mthumb -mabi=aapcs -std=gnu++98 -std=c99 -L ${NRF5_SDK_PATH}/modules/nrfx/mdk -T${NRF5_LINKER_SCRIPT} -mcpu=cortex-m4 -mfloat-abi=hard -mfpu=fpv4-sp-d16 -Wl,--gc-sections --specs=nano.specs -lc -lnosys -lm -Wl,-Map=${EXECUTABLE_GRAPHICS_FILE_NAME}.map"
+        LINK_FLAGS "-mthumb -mabi=aapcs -L ${NRF5_SDK_PATH}/modules/nrfx/mdk -T${NRF5_LINKER_SCRIPT} -mcpu=cortex-m4 -mfloat-abi=hard -mfpu=fpv4-sp-d16 -Wl,--gc-sections --specs=nano.specs -lc -lnosys -lm -Wl,-Map=${EXECUTABLE_GRAPHICS_FILE_NAME}.map"
         CXX_STANDARD 11
         C_STANDARD 99
         )
diff --git a/src/displayapp/screens/Clock.cpp b/src/displayapp/screens/Clock.cpp
index 4b280adb..eb0e37be 100644
--- a/src/displayapp/screens/Clock.cpp
+++ b/src/displayapp/screens/Clock.cpp
@@ -15,6 +15,45 @@
 
 using namespace Pinetime::Applications::Screens;
 
+namespace {
+
+char const *DaysString[] = {
+        "",
+        "MONDAY",
+        "TUESDAY",
+        "WEDNESDAY",
+        "THURSDAY",
+        "FRIDAY",
+        "SATURDAY",
+        "SUNDAY"
+};
+
+char const *MonthsString[] = {
+        "",
+        "JAN",
+        "FEB",
+        "MAR",
+        "APR",
+        "MAY",
+        "JUN",
+        "JUL",
+        "AUG",
+        "SEP",
+        "OCT",
+        "NOV",
+        "DEC"
+};
+
+const char *MonthToString(Pinetime::Controllers::DateTime::Months month) {
+  return MonthsString[static_cast<uint8_t>(month)];
+}
+
+const char *DayOfWeekToString(Pinetime::Controllers::DateTime::Days dayOfWeek) {
+  return DaysString[static_cast<uint8_t>(dayOfWeek)];
+}
+
+}
+
 static void event_handler(lv_obj_t * obj, lv_event_t event) {
   Clock* screen = static_cast<Clock *>(obj->user_data);
   screen->OnObjectEvent(obj, event);
@@ -200,40 +239,6 @@ bool Clock::Refresh() {
   return running;
 }
 
-const char *Clock::MonthToString(Pinetime::Controllers::DateTime::Months month) {
-  return Clock::MonthsString[static_cast<uint8_t>(month)];
-}
-
-const char *Clock::DayOfWeekToString(Pinetime::Controllers::DateTime::Days dayOfWeek) {
-  return Clock::DaysString[static_cast<uint8_t>(dayOfWeek)];
-}
-
-char const *Clock::DaysString[] = {
-        "",
-        "MONDAY",
-        "TUESDAY",
-        "WEDNESDAY",
-        "THURSDAY",
-        "FRIDAY",
-        "SATURDAY",
-        "SUNDAY"
-};
-
-char const *Clock::MonthsString[] = {
-        "",
-        "JAN",
-        "FEB",
-        "MAR",
-        "APR",
-        "MAY",
-        "JUN",
-        "JUL",
-        "AUG",
-        "SEP",
-        "OCT",
-        "NOV",
-        "DEC"
-};
 
 void Clock::OnObjectEvent(lv_obj_t *obj, lv_event_t event) {
   if(obj == backgroundLabel) {
diff --git a/src/displayapp/screens/Clock.h b/src/displayapp/screens/Clock.h
index 18d70532..5e9cfeaa 100644
--- a/src/displayapp/screens/Clock.h
+++ b/src/displayapp/screens/Clock.h
@@ -52,11 +52,6 @@ namespace Pinetime {
 
           void OnObjectEvent(lv_obj_t *pObj, lv_event_t i);
         private:
-          static const char* MonthToString(Pinetime::Controllers::DateTime::Months month);
-          static const char* DayOfWeekToString(Pinetime::Controllers::DateTime::Days dayOfWeek);
-          static char const *DaysString[];
-          static char const *MonthsString[];
-
           char displayedChar[5];
 
           uint16_t currentYear = 1970;