#rails-angular-i18n
rails-angular-i18n wraps the Angular.js i18n locales for use in Rails 3.1 and above.
Add the following to your Gemfile:
gem 'rails-angular-i18n'
Add the following directive to your JavaScript manifest file (application.js):
//= require angular-locale_{{ your locale prefix }}
Language prefixes you can found here. Remember to use only language prefix like en, ru, eu, but not a dialect prefixes ru-ua or ru-ru.
Locales for current version: 1.5.0