Mdkart

The countdown can works in two ways : for futur and past events : until the events (in 43 days for example) and since the events (for 96 days)
So this plugin is very interesting for major (or minor) events of the life, birthdays, etc…
<h4>Feature List</h4>
<ul>
<li>Unlimited DDays stocked in the database</li>
<li>Function of repetition of the Dday. For example : every year for birthday.</li>
<li>Posibility to give a title, an URL, a description…</li>
<li>Customizable format of display (ex : The balise %TITLE% will be replaced by the title of the DDay). This allows a simply translation in any language.</li>
<li>Advanced interface of management of the DDays : selection of the order by drag and drop, realtime form validation.</li>
<li>Posibility to insert the list of the DDays in the sidebar or to insert a specific DDay in a post</li>
</ul>

DDay

This plugin allow to associate a countdown to events.

plugin.builders

One-click Countdowns.
Countdown to a date or a certain duration (e.g 60 seconds from page load).
Features:
<ul>
<li>Unlimited no. of countdowns.</li>
<li>Easy visual builder with live preview that generates shortcode that looks like <code>[waiting name="downtown"]</code>.</li>
<li>Infinite colors.</li>
<li>Set width, height, font size.</li>
<li>600+ fonts.</li>
<li>Rounded corners.</li>
<li>Timezone: WordPress or GMT</li>
<li>On finish options: Nothing, Hide countdown, Redirect, trigger DOM events (click, hover etc).</li>
<li>Widget.</li>
<li>Smooooth transitions.</li>
<li>Quick translation form for time units.</li>
<li>
Oh, and 3D cubical styles too.
</li>
<li>
Loads files only if shortcode or widget is present.
</li>
<li>Feature suggestions are implemented quickly.</li>
</ul>
<a href="http://plugin.builders/waiting/demo/?demo=wp.org" rel="nofollow ugc">Demo</a>
Support : We’ll respond to your issue within 3-18 hours.
Write to us at support[at]plugin.builders

Waiting: One-click countdowns

Countdowns with custom color, background, label, size, font. Responsive. Multiple modes.

DDay vs Waiting: One-click countdowns