naive-ui/demo/documentation/components/configProvider/enUS/language.md

Language

<n-button @click="lang = 'en-US'">en-us</n-button>
<n-button @click="lang = 'zh-CN'">zh-cn</n-button>
<n-config-provider :language="lang">
  <n-date-picker v-model="date" />
</n-config-provider>

export default {
  data () {
    return {
      date: null,
      lang: 'en-US'
    }
  }
}

.n-button {
  margin: 0 8px 12px 0;
}