diff --git a/cspell.json b/cspell.json
index 5eb7be92b..82b92c2bf 100644
--- a/cspell.json
+++ b/cspell.json
@@ -2,5 +2,5 @@
   "import": ["@esfront/cspell-config", "@cspell/dict-lorem-ipsum/cspell-ext.json"],
   "dictionaries": ["lorem-ipsum"],
   "ignorePaths": ["**/lib/**", "**/storybook-static/**", "packages/react/src/typedoc.json", "lerna.json"],
-  "words": ["Svyatoslav", "Daria", "Alekhina"]
+  "words": ["Svyatoslav", "Daria", "Alekhina", "нояб", "полд"]
 }
diff --git a/package.json b/package.json
index 0ee3b03ae..30eb5d0cc 100644
--- a/package.json
+++ b/package.json
@@ -7,6 +7,7 @@
     "packages/configs/cspell-config",
     "packages/configs/eslint-config",
     "packages/configs/prettier-config",
+    "packages/date-fns",
     "packages/react"
   ],
   "scripts": {
diff --git a/packages/date-fns/LICENSE b/packages/date-fns/LICENSE
new file mode 100644
index 000000000..2d376913c
--- /dev/null
+++ b/packages/date-fns/LICENSE
@@ -0,0 +1,19 @@
+Copyright (c) 2024 Elonsoft, Ltd.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/packages/date-fns/README.md b/packages/date-fns/README.md
new file mode 100644
index 000000000..edd4857e8
--- /dev/null
+++ b/packages/date-fns/README.md
@@ -0,0 +1,17 @@
+# @esfront/date-fns
+
+## Installation
+
+Install the correct versions of each package, which are listed by the command:
+
+```
+npm info "@esfront/date-fns@latest" peerDependencies
+```
+
+If using npm 5+, use this shortcut:
+
+```
+npx install-peerdeps --dev @esfront/date-fns
+```
+
+## Usage
diff --git a/packages/date-fns/index.ts b/packages/date-fns/index.ts
new file mode 100644
index 000000000..1460defa4
--- /dev/null
+++ b/packages/date-fns/index.ts
@@ -0,0 +1 @@
+export * from './ru-Ru';
diff --git a/packages/date-fns/package.json b/packages/date-fns/package.json
new file mode 100644
index 000000000..66b052727
--- /dev/null
+++ b/packages/date-fns/package.json
@@ -0,0 +1,20 @@
+{
+  "name": "@esfront/date-fns",
+  "version": "0.0.0",
+  "description": "",
+  "private": false,
+  "main": "index.ts",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/Elonsoft/esfront.git"
+  },
+  "author": "",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/Elonsoft/esfront/issues"
+  },
+  "homepage": "https://github.com/Elonsoft/esfront#readme",
+  "peerDependencies": {
+    "date-fns": "^2.27.0"
+  }
+}
diff --git a/packages/date-fns/ru-Ru/_lib/localize/index.ts b/packages/date-fns/ru-Ru/_lib/localize/index.ts
new file mode 100644
index 000000000..3d7ee958a
--- /dev/null
+++ b/packages/date-fns/ru-Ru/_lib/localize/index.ts
@@ -0,0 +1,173 @@
+// @ts-expect-error buildLocalizeFn implicitly has an 'any' type.
+import buildLocalizeFn from 'date-fns/locale/_lib/buildLocalizeFn';
+
+import { LocalizeFnOptions } from '../../../types';
+
+const eraValues = {
+  narrow: ['до н.э.', 'н.э.'],
+  abbreviated: ['до н. э.', 'н. э.'],
+  wide: ['до нашей эры', 'нашей эры'],
+};
+const quarterValues = {
+  narrow: ['1', '2', '3', '4'],
+  abbreviated: ['1-й кв.', '2-й кв.', '3-й кв.', '4-й кв.'],
+  wide: ['1-й квартал', '2-й квартал', '3-й квартал', '4-й квартал'],
+};
+
+const monthValues = {
+  narrow: ['Я', 'Ф', 'М', 'А', 'М', 'И', 'И', 'А', 'С', 'О', 'Н', 'Д'],
+  abbreviated: ['янв.', 'фев.', 'март', 'апр.', 'май', 'июнь', 'июль', 'авг.', 'сент.', 'окт.', 'нояб.', 'дек.'],
+  wide: [
+    'январь',
+    'февраль',
+    'март',
+    'апрель',
+    'май',
+    'июнь',
+    'июль',
+    'август',
+    'сентябрь',
+    'октябрь',
+    'ноябрь',
+    'декабрь',
+  ],
+};
+const formattingMonthValues = {
+  narrow: ['Я', 'Ф', 'М', 'А', 'М', 'И', 'И', 'А', 'С', 'О', 'Н', 'Д'],
+  abbreviated: ['янв.', 'фев.', 'мар.', 'апр.', 'мая', 'июн.', 'июл.', 'авг.', 'сент.', 'окт.', 'нояб.', 'дек.'],
+  wide: [
+    'января',
+    'февраля',
+    'марта',
+    'апреля',
+    'мая',
+    'июня',
+    'июля',
+    'августа',
+    'сентября',
+    'октября',
+    'ноября',
+    'декабря',
+  ],
+};
+
+const dayValues = {
+  narrow: ['В', 'П', 'В', 'С', 'Ч', 'П', 'С'],
+  short: ['вс', 'пн', 'вт', 'ср', 'чт', 'пт', 'сб'],
+  abbreviated: ['вск', 'пнд', 'втр', 'срд', 'чтв', 'птн', 'суб'],
+  wide: ['воскресенье', 'понедельник', 'вторник', 'среда', 'четверг', 'пятница', 'суббота'],
+};
+
+const dayPeriodValues = {
+  narrow: {
+    am: 'ДП',
+    pm: 'ПП',
+    midnight: 'полн.',
+    noon: 'полд.',
+    morning: 'утро',
+    afternoon: 'день',
+    evening: 'веч.',
+    night: 'ночь',
+  },
+  abbreviated: {
+    am: 'ДП',
+    pm: 'ПП',
+    midnight: 'полн.',
+    noon: 'полд.',
+    morning: 'утро',
+    afternoon: 'день',
+    evening: 'веч.',
+    night: 'ночь',
+  },
+  wide: {
+    am: 'ДП',
+    pm: 'ПП',
+    midnight: 'полночь',
+    noon: 'полдень',
+    morning: 'утро',
+    afternoon: 'день',
+    evening: 'вечер',
+    night: 'ночь',
+  },
+};
+const formattingDayPeriodValues = {
+  narrow: {
+    am: 'ДП',
+    pm: 'ПП',
+    midnight: 'полн.',
+    noon: 'полд.',
+    morning: 'утра',
+    afternoon: 'дня',
+    evening: 'веч.',
+    night: 'ночи',
+  },
+  abbreviated: {
+    am: 'ДП',
+    pm: 'ПП',
+    midnight: 'полн.',
+    noon: 'полд.',
+    morning: 'утра',
+    afternoon: 'дня',
+    evening: 'веч.',
+    night: 'ночи',
+  },
+  wide: {
+    am: 'ДП',
+    pm: 'ПП',
+    midnight: 'полночь',
+    noon: 'полдень',
+    morning: 'утра',
+    afternoon: 'дня',
+    evening: 'вечера',
+    night: 'ночи',
+  },
+};
+
+function ordinalNumber(dirtyNumber: any, dirtyOptions: LocalizeFnOptions) {
+  const options = dirtyOptions || {};
+  const unit = String(options.unit);
+  let suffix;
+
+  if (unit === 'date') {
+    suffix = '-е';
+  } else if (unit === 'week' || unit === 'minute' || unit === 'second') {
+    suffix = '-я';
+  } else {
+    suffix = '-й';
+  }
+
+  return dirtyNumber + suffix;
+}
+
+const localize: Locale['localize'] = {
+  ordinalNumber,
+  era: buildLocalizeFn({
+    values: eraValues,
+    defaultWidth: 'wide',
+  }),
+  quarter: buildLocalizeFn({
+    values: quarterValues,
+    defaultWidth: 'wide',
+    argumentCallback(quarter: any) {
+      return Number(quarter) - 1;
+    },
+  }),
+  month: buildLocalizeFn({
+    values: monthValues,
+    defaultWidth: 'wide',
+    formattingValues: formattingMonthValues,
+    defaultFormattingWidth: 'wide',
+  }),
+  day: buildLocalizeFn({
+    values: dayValues,
+    defaultWidth: 'wide',
+  }),
+  dayPeriod: buildLocalizeFn({
+    values: dayPeriodValues,
+    defaultWidth: 'any',
+    formattingValues: formattingDayPeriodValues,
+    defaultFormattingWidth: 'wide',
+  }),
+};
+
+export default localize;
diff --git a/packages/date-fns/ru-Ru/index.ts b/packages/date-fns/ru-Ru/index.ts
new file mode 100644
index 000000000..f38749e75
--- /dev/null
+++ b/packages/date-fns/ru-Ru/index.ts
@@ -0,0 +1,22 @@
+import { formatDistance, formatRelative } from 'date-fns';
+// @ts-expect-error formatLong implicitly has an 'any' type.
+import formatLong from 'date-fns/locale/ru/_lib/formatLong';
+// @ts-expect-error match implicitly has an 'any' type.
+import match from 'date-fns/locale/ru/_lib/match';
+
+import localize from './_lib/localize';
+
+const locale: Locale = {
+  code: 'ru-Ru',
+  formatDistance,
+  formatLong,
+  formatRelative,
+  localize,
+  match,
+  options: {
+    weekStartsOn: 1,
+    firstWeekContainsDate: 1,
+  },
+};
+
+export default locale;
diff --git a/packages/date-fns/types.ts b/packages/date-fns/types.ts
new file mode 100644
index 000000000..440428c0d
--- /dev/null
+++ b/packages/date-fns/types.ts
@@ -0,0 +1,21 @@
+/**
+ * The units commonly used in the date formatting or parsing.
+ */
+export type LocaleUnit =
+  | 'second'
+  | 'minute'
+  | 'hour'
+  | 'day'
+  | 'dayOfYear'
+  | 'date'
+  | 'week'
+  | 'month'
+  | 'quarter'
+  | 'year';
+
+export interface LocalizeFnOptions {
+  width?: 'narrow' | 'short' | 'abbreviated' | 'wide' | 'any';
+  context?: 'formatting' | 'standalone';
+
+  unit?: LocaleUnit;
+}
diff --git a/packages/react/src/testing/Theme/Theme.tsx b/packages/react/src/testing/Theme/Theme.tsx
index 8045bb035..423285227 100644
--- a/packages/react/src/testing/Theme/Theme.tsx
+++ b/packages/react/src/testing/Theme/Theme.tsx
@@ -3,7 +3,7 @@ import { useEffect, useMemo } from 'react';
 import { IThemeProps } from './Theme.types';
 
 import DateFnsAdapter from '@date-io/date-fns';
-import { enUS as dateEN, ru as dateRU } from 'date-fns/locale';
+import { enUS as dateEN } from 'date-fns/locale';
 
 import { useColorScheme } from '@mui/material/styles';
 import { enUS, ruRU } from '@mui/material/locale';
@@ -12,6 +12,10 @@ import { DateAdapterProvider, en, ru } from '../../components';
 import { DialogStackProvider } from '../../components/DialogStack';
 import { createTheme, palettes, ThemeProvider } from '../../theming';
 
+import locale from '@esfront/date-fns/ru-Ru';
+
+const dateRU = locale;
+
 function ColorScheme({ isDarkMode }: { isDarkMode?: boolean }) {
   const { setMode } = useColorScheme();