diff --git a/emulator/include/RtcDS3231.h b/emulator/include/RtcDS3231.h
index 7d523ec51..c4bff3d0a 100644
--- a/emulator/include/RtcDS3231.h
+++ b/emulator/include/RtcDS3231.h
@@ -19,9 +19,9 @@ class RtcDateTime {
     uint8_t Minute();
     uint8_t Second();
 
-    uint32_t DayOfWeek();
-    uint32_t Day();
-    uint32_t Month();
+    uint8_t DayOfWeek();
+    uint8_t Day();
+    uint8_t Month();
     uint32_t Year();
   private:
     time_t time = 0;
diff --git a/emulator/src/RtcDS3231.cpp b/emulator/src/RtcDS3231.cpp
index 18eae43a6..51be2fadd 100644
--- a/emulator/src/RtcDS3231.cpp
+++ b/emulator/src/RtcDS3231.cpp
@@ -17,15 +17,15 @@ uint8_t RtcDateTime::Second() {
     return parts->tm_sec;
 }
 
-uint32_t RtcDateTime::DayOfWeek() {
+uint8_t RtcDateTime::DayOfWeek() {
     struct tm* parts = std::localtime(&this->time);
     return parts->tm_wday;
 }
-uint32_t RtcDateTime::Day() {
+uint8_t RtcDateTime::Day() {
     struct tm* parts = std::localtime(&this->time);
     return parts->tm_mday;
 }
-uint32_t RtcDateTime::Month() {
+uint8_t RtcDateTime::Month() {
     struct tm* parts = std::localtime(&this->time);
     return parts->tm_mon + 1;
 }
diff --git a/include/apps/tools/OswAppStepStats.h b/include/apps/tools/OswAppStepStats.h
index 3b100266a..ad389c614 100644
--- a/include/apps/tools/OswAppStepStats.h
+++ b/include/apps/tools/OswAppStepStats.h
@@ -18,7 +18,7 @@ class OswAppStepStats : public OswApp {
 #endif
     virtual void stop() override;
     ~OswAppStepStats() {};
-    static void drawInfoPanel(OswUI* ui, uint32_t pos, uint32_t lastWeekData, uint32_t todayData, uint32_t average, uint32_t total, const String& unit = String(""));
+    static void drawInfoPanel(OswUI* ui, uint8_t pos, uint32_t lastWeekData, uint32_t todayData, uint32_t average, uint32_t total, const String& unit = String(""));
 
   private:
     void showStickChart();
diff --git a/include/apps/watchfaces/OswAppWatchfaceDigital.h b/include/apps/watchfaces/OswAppWatchfaceDigital.h
index 259ddb645..27364009e 100644
--- a/include/apps/watchfaces/OswAppWatchfaceDigital.h
+++ b/include/apps/watchfaces/OswAppWatchfaceDigital.h
@@ -21,8 +21,8 @@ class OswAppWatchfaceDigital: public OswAppV2 {
     static void refreshDateFormatCache();
     static void drawSteps();
     static void digitalWatch(short timeZone, uint8_t fontSize, uint8_t dateCoordY, uint8_t timeCoordY);
-    static void timeOutput(uint32_t hour, uint32_t minute, uint32_t second, bool showSecond = true);
-    static void dateOutput(uint32_t yearInt, uint32_t monthInt, uint32_t dayInt);
+    static void timeOutput(uint8_t hour, uint8_t minute, uint8_t second, bool showSecond = true);
+    static void dateOutput(uint32_t yearInt, uint8_t monthInt, uint8_t dayInt);
     static void displayWeekDay3(const char* weekday);
 
   private:
diff --git a/src/apps/tools/OswAppDistStats.cpp b/src/apps/tools/OswAppDistStats.cpp
index f2addd5e0..a08e9482e 100644
--- a/src/apps/tools/OswAppDistStats.cpp
+++ b/src/apps/tools/OswAppDistStats.cpp
@@ -15,8 +15,8 @@ void OswAppDistStats::drawChart() {
     uint8_t interval = 20;
     uint16_t goalValue = OswConfigAllKeys::distPerDay.get();
 
-    uint32_t weekDay = 0;
-    uint32_t dayOfMonth = 0;
+    uint8_t weekDay = 0;
+    uint8_t dayOfMonth = 0;
     hal->getLocalDate(&dayOfMonth, &weekDay);
 
     for (uint8_t index = 0; index < 7; index++) {
@@ -51,8 +51,8 @@ void OswAppDistStats::showStickChart() {
 
 void OswAppDistStats::setup() {
     OswHal* hal = OswHal::getInstance();
-    uint32_t weekDay = 0;
-    uint32_t dayOfMonth = 0;
+    uint8_t weekDay = 0;
+    uint8_t dayOfMonth = 0;
     hal->getLocalDate(&dayOfMonth, &weekDay);
     cursorPos = weekDay;
 }
diff --git a/src/apps/tools/OswAppKcalStats.cpp b/src/apps/tools/OswAppKcalStats.cpp
index 53889a15a..b26cf662d 100644
--- a/src/apps/tools/OswAppKcalStats.cpp
+++ b/src/apps/tools/OswAppKcalStats.cpp
@@ -14,7 +14,7 @@
 
 uint32_t findCursorWeekDay(uint8_t Index) {  // Show the day of the week that cursor (Dynamic weekDay--info)
     OswHal* hal = OswHal::getInstance();
-    uint32_t d, wD = 0;
+    uint8_t d, wD = 0;
     hal->getLocalDate(&d, &wD);
     int cursorWeekDay = wD - (6 - Index);
     int findWeekDay = (cursorWeekDay >= 0) ? cursorWeekDay : (cursorWeekDay + 7);
diff --git a/src/apps/tools/OswAppStepStats.cpp b/src/apps/tools/OswAppStepStats.cpp
index eee20f443..89a07c474 100644
--- a/src/apps/tools/OswAppStepStats.cpp
+++ b/src/apps/tools/OswAppStepStats.cpp
@@ -14,8 +14,8 @@ void OswAppStepStats::drawChart() {
     uint8_t interval = 20;
     uint16_t goalValue = OswConfigAllKeys::stepsPerDay.get();
 
-    uint32_t weekDay = 0;
-    uint32_t dayOfMonth = 0;
+    uint8_t weekDay = 0;
+    uint8_t dayOfMonth = 0;
     hal->getLocalDate(&dayOfMonth, &weekDay);
 
     for (uint8_t index = 0; index < 7; index++) {
@@ -33,7 +33,7 @@ void OswAppStepStats::drawChart() {
     }
 }
 
-void OswAppStepStats::drawInfoPanel(OswUI* ui, uint32_t pos, uint32_t lastWeekData, uint32_t todayData, uint32_t average, uint32_t total,const String& unit) {
+void OswAppStepStats::drawInfoPanel(OswUI* ui, uint8_t pos, uint32_t lastWeekData, uint32_t todayData, uint32_t average, uint32_t total,const String& unit) {
     OswHal* hal = OswHal::getInstance();
 
     uint8_t coord_X = 30;
@@ -69,8 +69,8 @@ void OswAppStepStats::showStickChart() {
 
 void OswAppStepStats::setup() {
     OswHal* hal = OswHal::getInstance();
-    uint32_t weekDay = 0;
-    uint32_t dayOfMonth = 0;
+    uint8_t weekDay = 0;
+    uint8_t dayOfMonth = 0;
     hal->getLocalDate(&dayOfMonth, &weekDay);
     cursorPos = weekDay;
 }
diff --git a/src/apps/tools/OswAppTimeConfig.cpp b/src/apps/tools/OswAppTimeConfig.cpp
index f5be04736..9a5e1982e 100644
--- a/src/apps/tools/OswAppTimeConfig.cpp
+++ b/src/apps/tools/OswAppTimeConfig.cpp
@@ -15,11 +15,11 @@
 void OswAppTimeConfig::setup() {}
 
 void OswAppTimeConfig::enterManualMode() {
-    uint32_t second = 0;
-    uint32_t minute = 0;
-    uint32_t hour = 0;
-    uint32_t day = 0;
-    uint32_t month = 0;
+    uint8_t second = 0;
+    uint8_t minute = 0;
+    uint8_t hour = 0;
+    uint8_t day = 0;
+    uint8_t month = 0;
     uint32_t year = 0;
     OswHal::getInstance()->getLocalTime(&hour, &minute, &second);
     OswHal::getInstance()->getLocalDate(&day, &month, &year);
@@ -197,9 +197,9 @@ void OswAppTimeConfig::loop() {
         hal->gfx()->setTextLeftAligned();
         hal->gfx()->setTextCursor(120 - hal->gfx()->getTextOfsetColumns(4), 120);
 
-        uint32_t second = 0;
-        uint32_t minute = 0;
-        uint32_t hour = 0;
+        uint8_t second = 0;
+        uint8_t minute = 0;
+        uint8_t hour = 0;
         hal->getLocalTime(&hour, &minute, &second);
         hal->gfx()->printDecimal(hour, 2);
         hal->gfx()->print(":");
diff --git a/src/apps/watchfaces/OswAppWatchface.cpp b/src/apps/watchfaces/OswAppWatchface.cpp
index 859c776d1..14d24b788 100644
--- a/src/apps/watchfaces/OswAppWatchface.cpp
+++ b/src/apps/watchfaces/OswAppWatchface.cpp
@@ -28,8 +28,8 @@ const char* OswAppWatchface::getAppName() {
 void OswAppWatchface::drawStepHistory(OswUI* ui, uint8_t x, uint8_t y, uint8_t w, uint8_t h, uint32_t max) {
     OswHal* hal = OswHal::getInstance();
     OswUI::getInstance()->resetTextColors();
-    uint32_t weekDay = 0;
-    uint32_t dayOfMonth = 0;
+    uint8_t weekDay = 0;
+    uint8_t dayOfMonth = 0;
     hal->getLocalDate(&dayOfMonth, &weekDay);
     for (uint8_t i = 0; i < 7; i++) {
         uint32_t s = hal->environment()->getStepsOnDay(i);
@@ -91,15 +91,15 @@ void OswAppWatchface::drawWatch() {
     // hal->gfx()->drawArc(120, 120, 0, bat, 180, 57, 7, dimColor(COLOR_BLUE, 25));
     // hal->gfx()->drawArc(120, 120, 0, bat, 180, 57, 6, COLOR_BLUE);
 
-    uint32_t second = 0;
-    uint32_t minute = 0;
-    uint32_t hour = 0;
+    uint8_t second = 0;
+    uint8_t minute = 0;
+    uint8_t hour = 0;
     hal->getLocalTime(&hour, &minute, &second);
 
     if(OswConfigAllKeys::settingDisplayDualHourTick.get()) {
-        uint32_t dualSecond = 0;
-        uint32_t dualMinute = 0;
-        uint32_t dualHour = 0;
+        uint8_t dualSecond = 0;
+        uint8_t dualMinute = 0;
+        uint8_t dualHour = 0;
         hal->getDualTime(&dualHour, &dualMinute, &dualSecond);
 
         // dual-hours
diff --git a/src/apps/watchfaces/OswAppWatchfaceBinary.cpp b/src/apps/watchfaces/OswAppWatchfaceBinary.cpp
index 00d894078..e3e60a211 100644
--- a/src/apps/watchfaces/OswAppWatchfaceBinary.cpp
+++ b/src/apps/watchfaces/OswAppWatchfaceBinary.cpp
@@ -14,9 +14,9 @@
 #define COLOR_WHxITE rgb565(255, 255, 255)
 
 void OswAppWatchfaceBinary::drawWatch() {
-    uint32_t second = 0;
-    uint32_t minute = 0;
-    uint32_t hour = 0;
+    uint8_t second = 0;
+    uint8_t minute = 0;
+    uint8_t hour = 0;
     bool afterNoon = false;
     OswHal* hal = OswHal::getInstance();
     hal->getLocalTime(&hour, &minute, &second, &afterNoon);
diff --git a/src/apps/watchfaces/OswAppWatchfaceDigital.cpp b/src/apps/watchfaces/OswAppWatchfaceDigital.cpp
index ca74c6d41..c2258657c 100644
--- a/src/apps/watchfaces/OswAppWatchfaceDigital.cpp
+++ b/src/apps/watchfaces/OswAppWatchfaceDigital.cpp
@@ -33,7 +33,7 @@ void OswAppWatchfaceDigital::displayWeekDay3(const char* weekday) {
     hal->gfx()->print(weekday3);
 }
 
-void OswAppWatchfaceDigital::dateOutput(uint32_t yearInt, uint32_t monthInt, uint32_t dayInt) {
+void OswAppWatchfaceDigital::dateOutput(uint32_t yearInt, uint8_t monthInt, uint8_t dayInt) {
     OswHal* hal = OswHal::getInstance();
     switch (OswAppWatchfaceDigital::getDateFormat()) {
     case 1:  // 0 : mm/dd/yyyy
@@ -61,8 +61,8 @@ void OswAppWatchfaceDigital::dateOutput(uint32_t yearInt, uint32_t monthInt, uin
 }
 
 static void drawDate(time_t timeZone, uint8_t fontSize, uint8_t CoordY) {
-    uint32_t dayInt = 0;
-    uint32_t monthInt = 0;
+    uint8_t dayInt = 0;
+    uint8_t monthInt = 0;
     uint32_t yearInt = 0;
     OswHal* hal = OswHal::getInstance();
     const char* weekday = hal->getWeekday(timeZone);
@@ -89,7 +89,7 @@ static void drawDate(time_t timeZone, uint8_t fontSize, uint8_t CoordY) {
     OswAppWatchfaceDigital::dateOutput(yearInt, monthInt, dayInt);
 }
 
-void OswAppWatchfaceDigital::timeOutput(uint32_t hour, uint32_t minute, uint32_t second,bool showSecond) {
+void OswAppWatchfaceDigital::timeOutput(uint8_t hour, uint8_t minute, uint8_t second,bool showSecond) {
     OswHal* hal = OswHal::getInstance();
     hal->gfx()->printDecimal(hour, 2);
     hal->gfx()->print(":");
@@ -101,9 +101,9 @@ void OswAppWatchfaceDigital::timeOutput(uint32_t hour, uint32_t minute, uint32_t
 }
 
 static void drawTime(time_t timeZone,uint8_t CoordY) {
-    uint32_t second = 0;
-    uint32_t minute = 0;
-    uint32_t hour = 0;
+    uint8_t second = 0;
+    uint8_t minute = 0;
+    uint8_t hour = 0;
     bool afterNoon = false;
     char am[] = "AM";
     char pm[] = "PM";
diff --git a/src/apps/watchfaces/OswAppWatchfaceDual.cpp b/src/apps/watchfaces/OswAppWatchfaceDual.cpp
index 2e49d2107..55f3b9349 100644
--- a/src/apps/watchfaces/OswAppWatchfaceDual.cpp
+++ b/src/apps/watchfaces/OswAppWatchfaceDual.cpp
@@ -32,9 +32,9 @@ void OswAppWatchfaceDual::drawProgressBar(OswUI* ui,uint8_t cx, uint8_t cy, uint
 void OswAppWatchfaceDual::drawAnimSec() {
     OswHal* hal = OswHal::getInstance();
     uint8_t barWidth = 140;
-    uint32_t Hs, Ms, Ss = 0;
+    uint8_t Hs, Ms, Ss = 0;
     hal->getLocalTime(&Hs,&Ms,&Ss);
-    uint32_t onlySecond = Ss;
+    uint8_t onlySecond = Ss;
     uint16_t barValue = ((float)onlySecond / 60) * barWidth;
     barValue = barValue < 2 ? 0 : barValue;
     uint8_t coordX = (DISP_W - barWidth) / 2;
diff --git a/src/apps/watchfaces/OswAppWatchfaceFitness.cpp b/src/apps/watchfaces/OswAppWatchfaceFitness.cpp
index d7fe46baf..b88c5716f 100644
--- a/src/apps/watchfaces/OswAppWatchfaceFitness.cpp
+++ b/src/apps/watchfaces/OswAppWatchfaceFitness.cpp
@@ -25,8 +25,8 @@ uint32_t OswAppWatchfaceFitness::calculateKcalorie(uint32_t steps) {
 }
 
 void dateDisplay() {
-    uint32_t dayInt = 0;
-    uint32_t monthInt = 0;
+    uint8_t dayInt = 0;
+    uint8_t monthInt = 0;
     uint32_t yearInt = 0;
     OswHal* hal = OswHal::getInstance();
     const char* weekday = hal->getLocalWeekday();
@@ -62,9 +62,9 @@ void timeDisplay(uint32_t hour, uint32_t minute, uint32_t second) {
 }
 
 void digitalWatchDisplay() {
-    uint32_t second = 0;
-    uint32_t minute = 0;
-    uint32_t hour = 0;
+    uint8_t second = 0;
+    uint8_t minute = 0;
+    uint8_t hour = 0;
     bool afterNoon = false;
     char am[] = "AM";
     char pm[] = "PM";
diff --git a/src/apps/watchfaces/OswAppWatchfaceFitnessAnalog.cpp b/src/apps/watchfaces/OswAppWatchfaceFitnessAnalog.cpp
index 63562eff0..39b1e5575 100644
--- a/src/apps/watchfaces/OswAppWatchfaceFitnessAnalog.cpp
+++ b/src/apps/watchfaces/OswAppWatchfaceFitnessAnalog.cpp
@@ -110,7 +110,7 @@ void OswAppWatchfaceFitnessAnalog::drawWatchFace(OswHal* hal, uint32_t hour, uin
 #endif
 }
 
-void OswAppWatchfaceFitnessAnalog::drawDateFace(OswHal* hal, uint32_t hour, uint32_t minute, uint32_t second, bool afterNoon) {
+void OswAppWatchfaceFitnessAnalog::drawDateFace(OswHal* hal, uint8_t hour, uint8_t minute, uint8_t second, bool afterNoon) {
     const char* weekday = hal->getLocalWeekday();
 
     hal->gfx()->setTextSize(2);
@@ -119,8 +119,8 @@ void OswAppWatchfaceFitnessAnalog::drawDateFace(OswHal* hal, uint32_t hour, uint
     OswAppWatchfaceDigital::displayWeekDay3(weekday);
 
     // Date
-    uint32_t dayInt = 0;
-    uint32_t monthInt = 0;
+    uint8_t dayInt = 0;
+    uint8_t monthInt = 0;
     uint32_t yearInt = 0;
     hal->getLocalDate(&dayInt, &monthInt, &yearInt);
     hal->gfx()->setTextSize(3);
@@ -207,9 +207,9 @@ void OswAppWatchfaceFitnessAnalog::onDraw() {
 
     OswHal* hal = OswHal::getInstance();
 
-    uint32_t second = 0;
-    uint32_t minute = 0;
-    uint32_t hour = 0;
+    uint8_t second = 0;
+    uint8_t minute = 0;
+    uint8_t hour = 0;
     bool afterNoon;
     hal->getLocalTime(&hour, &minute, &second, &afterNoon);
 
diff --git a/src/apps/watchfaces/OswAppWatchfaceMix.cpp b/src/apps/watchfaces/OswAppWatchfaceMix.cpp
index 51633f877..d5fb840c1 100644
--- a/src/apps/watchfaces/OswAppWatchfaceMix.cpp
+++ b/src/apps/watchfaces/OswAppWatchfaceMix.cpp
@@ -23,9 +23,9 @@ const char* OswAppWatchfaceMix::getAppName() {
 
 void OswAppWatchfaceMix::analogWatchDisplay() {
     OswHal* hal = OswHal::getInstance();
-    uint32_t second = 0;
-    uint32_t minute = 0;  // Unused, but required by function signature
-    uint32_t hour = 0;    // Unused, but required by function signature
+    uint8_t second = 0;
+    uint8_t minute = 0;
+    uint8_t hour = 0;
 
     hal->getLocalTime(&hour, &minute, &second);
     hal->gfx()->drawCircle((int)(DISP_W*0.5)-OFF_SET_ANALOG_WATCH_X_COORD, 100, 50, ui->getForegroundColor());
@@ -49,8 +49,8 @@ void OswAppWatchfaceMix::analogWatchDisplay() {
 }
 
 void OswAppWatchfaceMix::dateDisplay() {
-    uint32_t dayInt = 0;
-    uint32_t monthInt = 0;
+    uint8_t dayInt = 0;
+    uint8_t monthInt = 0;
     uint32_t yearInt = 0;
     OswHal* hal = OswHal::getInstance();
     const char* weekday = hal->getLocalWeekday();
@@ -76,9 +76,9 @@ void OswAppWatchfaceMix::dateDisplay() {
 }
 
 void OswAppWatchfaceMix::digitalWatchDisplay() {
-    uint32_t second = 0;
-    uint32_t minute = 0;
-    uint32_t hour = 0;
+    uint8_t second = 0;
+    uint8_t minute = 0;
+    uint8_t hour = 0;
     bool afterNoon = false;
     char am[] = "AM";
     char pm[] = "PM";
diff --git a/src/apps/watchfaces/OswAppWatchfaceMonotimer.cpp b/src/apps/watchfaces/OswAppWatchfaceMonotimer.cpp
index 996f6c4b2..34769b3eb 100644
--- a/src/apps/watchfaces/OswAppWatchfaceMonotimer.cpp
+++ b/src/apps/watchfaces/OswAppWatchfaceMonotimer.cpp
@@ -104,15 +104,15 @@ void OswAppWatchfaceMonotimer::drawWatch() {
 #endif
 
     // ticks
-    uint32_t second = 0;
-    uint32_t minute = 0;
-    uint32_t hour = 0;
+    uint8_t second = 0;
+    uint8_t minute = 0;
+    uint8_t hour = 0;
     hal->getLocalTime(&hour, &minute, &second);
 
     if (OswConfigAllKeys::settingDisplayDualHourTick.get()) {
-        uint32_t dualSecond = 0;
-        uint32_t dualMinute = 0;
-        uint32_t dualHour = 0;
+        uint8_t dualSecond = 0;
+        uint8_t dualMinute = 0;
+        uint8_t dualHour = 0;
         hal->getDualTime(&dualHour, &dualMinute, &dualSecond);
 
         hal->gfx()->drawThickTick(120, 120, 0, 105, (360.0f * (60 * dualHour + dualMinute)) / 720.0f, 1, ui->getBackgroundDimmedColor());
diff --git a/src/apps/watchfaces/OswAppWatchfaceNumerals.cpp b/src/apps/watchfaces/OswAppWatchfaceNumerals.cpp
index ab5d49a92..e4d5473aa 100644
--- a/src/apps/watchfaces/OswAppWatchfaceNumerals.cpp
+++ b/src/apps/watchfaces/OswAppWatchfaceNumerals.cpp
@@ -33,8 +33,8 @@ void OswAppWatchfaceNumerals::drawWatch() {
 
     OswAppWatchfaceMonotimer::drawHour();
 
-    uint32_t dayInt = 0;
-    uint32_t monthInt = 0;
+    uint8_t dayInt = 0;
+    uint8_t monthInt = 0;
     uint32_t yearInt = 0;
     hal->getLocalDate(&dayInt, &monthInt, &yearInt);
     hal->gfx()->setTextCenterAligned();
@@ -61,14 +61,14 @@ void OswAppWatchfaceNumerals::drawWatch() {
 #endif
 
     // ticks
-    uint32_t second = 0;
-    uint32_t minute = 0;
-    uint32_t hour = 0;
+    uint8_t second = 0;
+    uint8_t minute = 0;
+    uint8_t hour = 0;
     hal->getLocalTime(&hour, &minute, &second);
     if(OswConfigAllKeys::settingDisplayDualHourTick.get()) {
-        uint32_t dualSecond = 0;
-        uint32_t dualMinute = 0;
-        uint32_t dualHour = 0;
+        uint8_t dualSecond = 0;
+        uint8_t dualMinute = 0;
+        uint8_t dualHour = 0;
         hal->getDualTime(&dualHour, &dualMinute, &dualSecond);
 
         // dual-hours
diff --git a/src/hal/environment.cpp b/src/hal/environment.cpp
index b233e94cb..b3f4e5ebc 100644
--- a/src/hal/environment.cpp
+++ b/src/hal/environment.cpp
@@ -132,9 +132,8 @@ void OswHal::Environment::setupStepStatistics() {
  * @param alwaysPrintStepStatistics Set to true to print the step history to the console
  */
 void OswHal::Environment::commitStepStatistics(const bool& alwaysPrintStepStatistics) {
-    uint32_t currDoM = 0; // Unused, but required by function signature
-    uint32_t currDoW = 0;
-    OswHal::getInstance()->getLocalDate(&currDoM, &currDoW);
+    uint8_t currDoW = 0;
+    OswHal::getInstance()->getLocalDate(nullptr, &currDoW);
     bool changedDoW = currDoW != this->_stepsLastDoW;
     if(changedDoW) {
         Preferences prefs;
@@ -196,8 +195,8 @@ void OswHal::Environment::commitStepStatistics(const bool& alwaysPrintStepStatis
 
 uint32_t OswHal::Environment::getStepsOnDay(uint8_t dayOfWeek, bool lastWeek) {
     this->commitStepStatistics();
-    uint32_t day = 0;
-    uint32_t weekday = 0;
+    uint8_t day = 0;
+    uint8_t weekday = 0;
     OswHal::getInstance()->getLocalDate(&day, &weekday);
 
     if (!lastWeek and dayOfWeek == weekday)
@@ -225,9 +224,8 @@ uint32_t OswHal::Environment::getStepsTotalWeek() {
 #ifdef OSW_FEATURE_STATS_STEPS
     this->commitStepStatistics();
     uint32_t sum = 0;
-    uint32_t currDoM = 0;  // Unused, but required by function signature
-    uint32_t currDoW = 0;
-    OswHal::getInstance()->getLocalDate(&currDoM, &currDoW);
+    uint8_t currDoW = 0;
+    OswHal::getInstance()->getLocalDate(nullptr, &currDoW);
     for (uint8_t i = 0; i < 7; i++) {
         if (i == currDoW) {
             sum = sum + this->getStepsToday();