Czech (cs)

Complete reference for the cs locale — live Intl API output, CLDR plural rules, and framework config snippets.

Riferimento della locale

Metadati della locale

Codice BCP 47cs

Nome nativoČeština

Nome ingleseCzech

Linguacs

RegioneNessuna (locale di base)

Sistema di scritturaLatn

Direzione del testoDa sinistra a destra (LTR)

Categorie di plurale CLDRone, few, many, other

Parlanti stimati~13,000,000

Intl API Live Output

DateTimeFormat

Short14.09.26

Medium14. 9. 2026

Long14. září 2026

Fullpondělí 14. září 2026

NumberFormat

Decimal1 234 567,89

Currency (USD)9,99 US$

Percent75 %

Compact1,2 mil.

RelativeTimeFormat

před 3 dny

Output for: -3 days ago

ListFormat

apples, oranges a bananas

Conjunction list: apples, oranges, bananas

CLDR Plural Rules

Categories supported by cs: one, few, many, other

oneExample number: 1

→ one

fewExample number: 3

→ few

manyExample number: 11

→ other

otherExample number: 100

→ other

Framework Config Snippets

next-intl

// next-intl configuration
// next.config.ts
import createNextIntlPlugin from 'next-intl/plugin';
const withNextIntl = createNextIntlPlugin();
export default withNextIntl({});

// i18n/routing.ts
import { defineRouting } from 'next-intl/routing';
export const routing = defineRouting({
  locales: ['cs', 'en'],
  defaultLocale: 'en',
});

react-intl

// react-intl configuration
import { IntlProvider } from 'react-intl';
import messages from './messages/cs.json';

function App() {
  return (
    <IntlProvider locale="cs" messages={messages}>
      {/* your app */}
    </IntlProvider>
  );
}

i18next

// i18next configuration
import i18n from 'i18next';
import { initReactI18next } from 'react-i18next';

i18n
  .use(initReactI18next)
  .init({
    lng: 'cs',
    fallbackLng: 'en',
    resources: {
      'cs': {
        translation: require('./locales/cs/translation.json'),
      },
    },
  });

export default i18n;