 <p>Without more detail on your situation, here are some helpful resources.</p> <p>For time zones on Rails, have a look here for the various options you can use: <a href="http://api.rubyonrails.org/classes/ActiveSupport/TimeZone.html" rel="nofollow">http://api.rubyonrails.org/classes/ActiveSupport/TimeZone.html</a></p> <p>To format for your users, look into strftime. Docs: <a href="http://apidock.com/ruby/Time/strftime" rel="nofollow">http://apidock.com/ruby/Time/strftime</a></p> <p>A site that helps you generate strftime code: <a href="http://strftime.net/" rel="nofollow">http://strftime.net/</a></p> <p>A guide to I18n / internationalization: guides.rubyonrails.org/i18n.html (thanks @house9)</p>