npm install react react-dom @gravity-ui/uikit @gravity-ui/date-components @gravity-ui/date-utils

import {createRoot} from 'react-dom/client';
import {DatePicker} from '@gravity-ui/date-components';
import {ThemeProvider} from '@gravity-ui/uikit';

import '@gravity-ui/uikit/styles/styles.css';

function App() {
  return (
    <ThemeProvider>
      <h1>DatePicker</h1>
      <form>
        <label htmlFor="date-picker">Date: </label>
        <DatePicker id="date-picker" name="date" />
      </form>
    </ThemeProvider>
  );
}

const root = createRoot(document.getElementById('root'));
root.render(<App />);

import {settings} from '@gravity-ui/date-utils';

// Load date locales that will be used in an application.
await settings.loadLocale('ru');

function App() {
  return (
    // Set the language to use with components.
    <ThemeProvider lang="ru">
      <h1>DatePicker</h1>
      <form>
        <label htmlFor="date-picker">Дата: </label>
        <DatePicker id="date-picker" name="date" />
      </form>
    </ThemeProvider>
  );
}

If the app supports language switching, preload all supported locales when the app first loads, or load the locales before switching the language:

// Preload locales
await Promise.all([settings.loadLocale('ru'), settings.loadLocale('nl')]);

const root = createRoot(document.getElementById('root'));
root.render(<App />);

// or load locales on demand.

function App() {
  const [lang, setLang] = React.useState('en');

  const handleLangChange = (newLang) => {
    settings.loadLocale(newLang).then(() => {
      setLang(newLang);
    });
  };

  return <ThemeProvider lang={lang}>...</ThemeProvider>;
}

The components have translations into English and Russian. To add translations into other languages, use addLanguageKeysets from @gravity-ui/uikit:

import {addLanguageKeysets} from '@gravity-ui/uikit/i18n';
import type {Keysets, PartialKeysets} from '@gravity-ui/date-components';

// Use the Keyset type to specify translations for all available components
addLanguageKeysets<Keysets>(lang, {...});

// or use the PartialKeysets type to specify only the ones you need
addLanguageKeysets<PartialKeysets>(lang, {...});

// To specify translations for some components
addLanguageKeysets<Pick<Keysets, 'g-date-calendar' | 'g-date-date-field' | 'g-date-date-picker'>>(lang, {...});

To start the development server with storybook run the following:

npm start

Distributed under the MIT License. See LICENSE for details.

React date and time controls for Gravity UI apps — date/time pickers, calendars, and absolute/relative range selectors built on @gravity-ui/date-utils.

• A single date or date-time input: DatePicker, DateField.
• Calendars for month/day selection: Calendar, CalendarView.
• Date ranges: RangeDatePicker, RangeCalendar, RangeDateField.
• Relative and mixed absolute/relative ranges (e.g. "last 7 days"): RelativeDatePicker, RelativeRangeDatePicker, RelativeDateField.

• Plain text or number inputs, buttons, or other generic controls — use @gravity-ui/uikit.
• Low-level date math, parsing, formatting, or timezone handling without UI — use @gravity-ui/date-utils directly.

• Values are DateTime objects, not JS Date. Components work with dateTime() from @gravity-ui/date-utils; pass and read DateTime, not native Date or ISO strings.
• Requires uikit setup. Render inside ThemeProvider and import @gravity-ui/uikit/styles/styles.css; @gravity-ui/uikit and @gravity-ui/date-utils are required peer dependencies.
• Locale is loaded, not just set. Set language via ThemeProvider lang, but load the locale data first with settings.loadLocale('ru') from @gravity-ui/date-utils, or dates render in the default locale.
• Component-specific translations use addLanguageKeysets. For languages beyond en/ru, register keysets via addLanguageKeysets from @gravity-ui/uikit/i18n using the Keysets/PartialKeysets types exported here.

Agent-readable documentation for the installed version is located in node_modules/@gravity-ui/date-components/dist/docs/INDEX.md.