Welsh (cy)

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

Referencia de la locale

Metadatos de la locale

Código BCP 47cy

Nombre nativoCymraeg

Nombre en inglésWelsh

Idiomacy

RegiónNinguna (locale base)

EscrituraLatn

Dirección del textoDe izquierda a derecha (LTR)

Categorías de plural CLDRzero, one, two, few, many, other

Hablantes estimados~900,000

Intl API Live Output

DateTimeFormat

Short9/15/26

MediumSep 15, 2026

LongSeptember 15, 2026

FullTuesday, September 15, 2026

NumberFormat

Decimal1,234,567.89

Currency (USD)$9.99

Percent75%

Compact1.2M

RelativeTimeFormat

3 days ago

Output for: -3 days ago

ListFormat

apples, oranges, and bananas

Conjunction list: apples, oranges, bananas

CLDR Plural Rules

Categories supported by cy: zero, one, two, few, many, other

zeroExample number: 0

→ zero

oneExample number: 1

→ one

twoExample number: 2

→ two

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: ['cy', 'en'],
  defaultLocale: 'en',
});

react-intl

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

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

i18next

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

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

export default i18n;