Fumiki Takahashi

TAROSKY INC.

You can enter expiration date on edit screen. 
This plugin runs cron every minute to search expired posts and make them <code>private</code>.

Taro Clockwork Post

A WordPress plugin to expire post with specified date.

Pippin Williamson

Brian Richards

A simple plugin that allows you to set an expiration date on posts. Once a post is expired, “Expired” will be prefixed to the post title.
You can show the expiration status of a post using the [expires] short code.
The [expires] short code accepts 5 optional parameters:
<ul>
<li>
expires_on – The text to be shown when a post has not yet expired. Default: <code>This item expires on: %s</code>
</li>
<li>
expired – The text to be shown when a post is expired. Default: <code>This item expired on: %s</code>
</li>
<li>
date_format – The format the expiration date should be displayed in
</li>
<li>
class – The class or classes given to the DIV element
</li>
<li>
id – The ID given to the DIV element
</li>
</ul>
The <code>%s</code> will be replaced with the expiration date.
Have you found a bug or have a suggestion or improvement you’d like to submit? This plugin is available on <a href="https://github.com/pippinsplugins/Simple-Post-Expiration" rel="nofollow ugc">Github</a> and pull requests are welcome!

Simple Post Expiration

A simple plugin that allows you to set an expiration date on posts. Once a post is expired, "Expired" will be prefixed to the post title.

Taro Clockwork Post vs Simple Post Expiration