Rails 3: How to format a Date in other than English languages?

To format a Date in English I do:

Date.today.to_s(:long_ordinal)   # => September 28th, 2011

How could I format a d开发者_开发技巧ate in Russian (or any other language) ?

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There is the Internationalization API in Rails that explains how to do that. See for example section 3.2 Adding Date/Time Formats.

<p><%= l Date.today, :format => :short %></p>

You can then add for your locale (russian?) a file ru.yml and include there the definition for your format.

# config/locales/ru.yml
ru:
  date:
    formats:
      short: "%m/%d/%Y"

See the section 4.4 Setting and Passing a Locale how to set the locale.

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Date formats and locales are defined in ActiveSupport. You can add these values to your locale file and modify them to fit your requirements.
Also check this for russian language.

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Use strftime. Example:

Date.today.strftime('%m/%d/%Y')

You set the %-symbols according to how you want the date to format. See the documentation I linked to see what symbols you can use.