Miriam de Paula

WP Coming Soon is a plugin that adds a countdown clock in the Coming Soon page. This plugin uses Keith Wood jQuery plugin. See it at: http://keith-wood.name/countdown.html.
[BASIC USAGE]
Put this <code>if ( function_exists('get_countdown')) get_countdown();</code> where you want to display the countdown clock…
If you want to use the countdown timer within a page or page template, you can use the shortcode <code>[wp_coming_soon]</code>

WP Coming Soon

WP Coming Soon is a simple plugin that adds a countdown clock in your Coming Soon page... Nothing more!

jordancalder

This plugin adds a countdown timer to your webpage with the use of a shortcode.
In Settings > WP Countdown Timer, set the datetime you want to count down towards and save.
Use the shortcode [countdown] on any page to display the countdown timer.

WordPress Countdown Timer

Wordpress plugin to add a countdown timer to your website. Display a timer and countdown to any day, time, or event.

WP Coming Soon vs WordPress Countdown Timer