This SVN repository is no longer active! The project has been MOVED to GitHub?:
http://github.com/ryanlowe/client_date
===
The client_date Ruby on Rails plugin uses client-side Javascript to format a date/time in a view instead of the server. The client is given UTC time for formatting so the server doesn't have to store which time zone each user is in.
./script/plugin install http://client-date.googlecode.com/svn/trunk/client_date/