Skills on AI

Locale Uk Ua

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Use when working with the Ukrainian (Ukraine) locale (`uk-UA`) — its endonym Українська (Україна), Cyrillic script, left-to-right (LTR) direction, or spoken-population data. Reference data and translation guidance (register, grammar, idiom, typography) for this specific locale; see [[locale]] for general i18n/l10n concepts (BCP 47, plural rules, RTL) that apply across all locales.

Reference data for the Ukrainian (Ukraine) locale — endonym Українська (Україна), written in the Cyrillic script, left-to-right (LTR).

Identifiers

  • BCP 47 tag: uk-UA
  • ISO 639-1: uk
  • ISO 639-3: ukr
  • Script: Cyrl (Cyrillic)
  • Region: UA (Ukraine)
  • Text direction: ltr — left-to-right (LTR)

Speakers (approximate)

  • L1 (native): 29,000,000
  • L2 (additional): 5,000,000
  • L1+L2 (total): 34,000,000

Base locale

This is a regional variant of Locale Uk 001 (Ukrainian), the base/macro locale for this language.

Pluralization

CLDR plural categories for this locale: one, few, many, other (4 forms).

  • one — v = 0 and i % 10 = 1 and i % 100 != 11 (e.g. 1, 21, 31, 41, …)
  • few — v = 0 and i % 10 = 2..4 and i % 100 != 12..14 (e.g. 2~4, 22~24, 32~34, 42~44, …)
  • many — v = 0 and i % 10 = 0 or v = 0 and i % 10 = 5..9 or v = 0 and i % 100 = 11..14 (e.g. 0, 5~19, 100, 1000, …)
  • other — everything else

See Unicode Messageformat for writing plural messages using these categories.

Translating into this locale

Apply Locale Uk 001 with the conventions of Ukraine.

  • Law: Ukrainian is the sole state language and the law on the state language requires Ukrainian in public services and consumer information. Provide Ukrainian by default.
  • Formats: hryvnia (₴); dates 17.10.2026 or 17 жовтня 2026 р.; 24-hour clock; decimal comma.
  • Names and places: use Ukrainian forms (Київ, Одеса); names of people follow the Ukrainian transliteration rules where converted.
  • Context: Russian is widely understood but should not be the default in Ukrainian-language material; avoid Russian-language-only content.

Common pitfalls

  • Using Russian place names or forms.
  • Using Russian as the default language of a UI for Ukraine.
  • The general pitfalls in Locale Uk 001 also apply.

Learn more

  • Locale for BCP 47 identifiers, locale-sensitive formatting, pluralization, and text-direction concepts that apply across all locales.
  • Unicode Messageformat for writing plural/selection messages correctly for this locale's grammar.
  • Unicode CLDR locale data for number, date, and currency formats (https://cldr.unicode.org)

View locale-uk-ua/SKILL.md on GitHub