diff --git a/src/lib/i18n.js b/src/lib/i18n.js
index e7b4067f..f1d11304 100644
--- a/src/lib/i18n.js
+++ b/src/lib/i18n.js
@@ -241,6 +241,14 @@ function getCurrentLanguageInfo(i18nGlobal) {
     return getDefaultLanguage();
 }
 
+function getDefaultCurrency(translateFn) {
+    return translateFn('default.currency');
+}
+
+function getDefaultFirstDayOfWeek(translateFn) {
+    return translateFn('default.firstDayOfWeek');
+}
+
 function getAllLongMonthNames(translateFn) {
     return [
         translateFn('datetime.January.long'),
@@ -484,6 +492,21 @@ function getAllCurrencies(translateFn) {
     return allCurrencies;
 }
 
+function getAllWeekDays(translateFn) {
+    const allWeekDays = [];
+
+    for (let i = 0; i < datetime.allWeekDaysArray.length; i++) {
+        const weekDay = datetime.allWeekDaysArray[i];
+
+        allWeekDays.push({
+            type: weekDay.type,
+            displayName: translateFn(`datetime.${weekDay.name}.long`)
+        });
+    }
+
+    return allWeekDays;
+}
+
 function getDisplayCurrency(value, currencyCode, notConvertValue, translateFn) {
     if (!isNumber(value) && !isString(value)) {
         return value;
@@ -623,8 +646,8 @@ function setLanguage(i18nGlobal, locale, force) {
     services.setLocale(locale);
     document.querySelector('html').setAttribute('lang', locale);
 
-    const defaultCurrency = i18nGlobal.t('default.currency');
-    const defaultFirstDayOfWeekName = i18nGlobal.t('default.firstDayOfWeek');
+    const defaultCurrency = getDefaultCurrency(i18nGlobal.t);
+    const defaultFirstDayOfWeekName = getDefaultFirstDayOfWeek(i18nGlobal.t);
     let defaultFirstDayOfWeek = datetime.defaultFirstDayOfWeek;
 
     if (datetime.allWeekDays[defaultFirstDayOfWeekName]) {
@@ -716,6 +739,8 @@ export function i18nFunctions(i18nGlobal) {
         getLanguageInfo: getLanguageInfo,
         getDefaultLanguage: getDefaultLanguage,
         getCurrentLanguageInfo: () => getCurrentLanguageInfo(i18nGlobal),
+        getDefaultCurrency: () => getDefaultCurrency(i18nGlobal.t),
+        getDefaultFirstDayOfWeek: () => getDefaultFirstDayOfWeek(i18nGlobal.t),
         getAllLongMonthNames: () => getAllLongMonthNames(i18nGlobal.t),
         getAllShortMonthNames: () => getAllShortMonthNames(i18nGlobal.t),
         getAllLongWeekdayNames: () => getAllLongWeekdayNames(i18nGlobal.t),
@@ -743,6 +768,7 @@ export function i18nFunctions(i18nGlobal) {
         isShortTime24HourFormat: (userStore) => isShortTime24HourFormat(i18nGlobal.t, userStore.currentUserShortTimeFormat),
         getAllTimezones: (includeSystemDefault) => getAllTimezones(includeSystemDefault, i18nGlobal.t),
         getAllCurrencies: () => getAllCurrencies(i18nGlobal.t),
+        getAllWeekDays: () => getAllWeekDays(i18nGlobal.t),
         getDisplayCurrency: (value, currencyCode, notConvertValue) => getDisplayCurrency(value, currencyCode, notConvertValue, i18nGlobal.t),
         setLanguage: (locale, force) => setLanguage(i18nGlobal, locale, force),
         getTimezone: settings.getTimezone,
diff --git a/src/views/mobile/SignupPage.vue b/src/views/mobile/SignupPage.vue
index 5ae9d9ac..861c1e76 100644
--- a/src/views/mobile/SignupPage.vue
+++ b/src/views/mobile/SignupPage.vue
@@ -95,13 +95,13 @@
                 class="list-item-with-header-and-title list-item-no-item-after"
                 :key="currentLocale + '_firstDayOfWeek'"
                 :header="$t('First Day of Week')"
-                :title="getDayOfWeekName(user.firstDayOfWeek)"
+                :title="currentDayOfWeekName"
                 smart-select :smart-select-params="{ openIn: 'popup', popupPush: true, closeOnSelect: true, scrollToSelectedItem: true, searchbar: true, searchbarPlaceholder: $t('Date'), searchbarDisableText: $t('Cancel'), appendSearchbarNotFound: $t('No results'), pageTitle: $t('First Day of Week'), popupCloseLinkText: $t('Done') }"
             >
                 <select v-model="user.firstDayOfWeek">
                     <option :value="weekDay.type"
                             :key="weekDay.type"
-                            v-for="weekDay in allWeekDays">{{ $t(`datetime.${weekDay.name}.long`) }}</option>
+                            v-for="weekDay in allWeekDays">{{ weekDay.displayName }}</option>
                 </select>
             </f7-list-item>
         </f7-list>
@@ -180,7 +180,6 @@ import { useSettingsStore } from '@/stores/setting.js';
 import { useTransactionCategoriesStore } from '@/stores/transactionCategory.js';
 import { useExchangeRatesStore } from '@/stores/exchangeRates.js';
 
-import datetimeConstants from '@/consts/datetime.js';
 import categoryConstants from '@/consts/category.js';
 import { getNameByKeyValue, copyArrayTo } from '@/lib/common.js';
 
@@ -201,7 +200,7 @@ export default {
                 nickname: '',
                 language: self.$i18n.locale,
                 defaultCurrency: settingsStore.defaultSetting.currency,
-                firstDayOfWeek: datetimeConstants.allWeekDays[self.$t('default.firstDayOfWeek')] ? datetimeConstants.allWeekDays[self.$t('default.firstDayOfWeek')].type : 0
+                firstDayOfWeek: settingsStore.defaultSetting.firstDayOfWeek,
             },
             submitting: false,
             presetCategories: {
@@ -224,7 +223,7 @@ export default {
             return this.$locale.getAllCurrencies();
         },
         allWeekDays() {
-            return datetimeConstants.allWeekDays;
+            return this.$locale.getAllWeekDays();
         },
         currentLocale: {
             get: function () {
@@ -232,7 +231,7 @@ export default {
             },
             set: function (value) {
                 const isCurrencyDefault = this.user.defaultCurrency === this.settingsStore.defaultSetting.currency;
-                const isFirstWeekDayDefault = this.user.firstDayOfWeek === (datetimeConstants.allWeekDays[this.$t('default.firstDayOfWeek')] ? datetimeConstants.allWeekDays[this.$t('default.firstDayOfWeek')].type : 0);
+                const isFirstWeekDayDefault = this.user.firstDayOfWeek === this.settingsStore.defaultSetting.firstDayOfWeek;
 
                 this.user.language = value;
 
@@ -244,7 +243,7 @@ export default {
                 }
 
                 if (isFirstWeekDayDefault) {
-                    this.user.firstDayOfWeek = datetimeConstants.allWeekDays[this.$t('default.firstDayOfWeek')] ? datetimeConstants.allWeekDays[this.$t('default.firstDayOfWeek')].type : 0;
+                    this.user.firstDayOfWeek = this.settingsStore.defaultSetting.firstDayOfWeek;
                 }
             }
         },
@@ -257,6 +256,9 @@ export default {
 
             return languageInfo.displayName;
         },
+        currentDayOfWeekName() {
+            return getNameByKeyValue(this.allWeekDays, this.user.firstDayOfWeek, 'type', 'displayName');
+        },
         inputIsEmpty() {
             return !!this.inputEmptyProblemMessage;
         },
@@ -397,11 +399,6 @@ export default {
                 }
             });
         },
-        getDayOfWeekName(dayOfWeek) {
-            const weekName = getNameByKeyValue(datetimeConstants.allWeekDays, dayOfWeek, 'type', 'name');
-            const i18nWeekNameKey = `datetime.${weekName}.long`;
-            return this.$t(i18nWeekNameKey);
-        },
         getCategoryTypeName(categoryType) {
             switch (categoryType) {
                 case categoryConstants.allCategoryTypes.Income.toString():
diff --git a/src/views/mobile/users/UserProfilePage.vue b/src/views/mobile/users/UserProfilePage.vue
index e4f87b03..1a5a7030 100644
--- a/src/views/mobile/users/UserProfilePage.vue
+++ b/src/views/mobile/users/UserProfilePage.vue
@@ -149,7 +149,7 @@
                 <select v-model="newProfile.firstDayOfWeek">
                     <option :value="weekDay.type"
                             :key="weekDay.type"
-                            v-for="weekDay in allWeekDays">{{ $t(`datetime.${weekDay.name}.long`) }}</option>
+                            v-for="weekDay in allWeekDays">{{ weekDay.displayName }}</option>
                 </select>
             </f7-list-item>
 
@@ -226,7 +226,6 @@ import { useSettingsStore } from '@/stores/setting.js';
 import { useUserStore } from '@/stores/user.js';
 import { useAccountsStore } from '@/stores/account.js';
 
-import datetimeConstants from '@/consts/datetime.js';
 import { getNameByKeyValue } from '@/lib/common.js';
 import { getCategorizedAccounts } from '@/lib/account.js';
 
@@ -311,7 +310,7 @@ export default {
             return getCategorizedAccounts(this.allVisibleAccounts);
         },
         allWeekDays() {
-            return datetimeConstants.allWeekDays;
+            return this.$locale.getAllWeekDays();
         },
         allLongDateFormats() {
             return this.$locale.getAllLongDateFormats();
@@ -359,9 +358,7 @@ export default {
             return this.$t('Unknown');
         },
         currentDayOfWeekName() {
-            const weekName = getNameByKeyValue(datetimeConstants.allWeekDays, this.newProfile.firstDayOfWeek, 'type', 'name');
-            const i18nWeekNameKey = `datetime.${weekName}.long`;
-            return this.$t(i18nWeekNameKey);
+            return getNameByKeyValue(this.allWeekDays, this.newProfile.firstDayOfWeek, 'type', 'displayName');
         },
         inputIsNotChanged() {
             return !!this.inputIsNotChangedProblemMessage;