kingkode

jClocksGMT is a jQuery analog and digital world clocks plugin based on GMT offsets. 
Now supporting automatic daylight saving time conversions for affected timezones. 
Requires jQuery Rotate plugin.
<pre><code>[jclocksgmt]
</code></pre>
This shortcode will display the default clock for Greenwich, England
Additional attributes:
<ul>
<li>title
<ul>
<li>Usage <code>[jclocksgmt title='Houston, TX, USA']</code> Title of location</li>
</ul>
</li>
<li>offset
<ul>
<li>Usage <code>[jclocksgmt offset='-6']</code> Set Standard GMT offset</li>
</ul>
</li>
<li>dst
<ul>
<li>Usage <code>[jclocksgmt dst='true]</code> set FALSE if location does not need to observe dst</li>
</ul>
</li>
<li>digital
<ul>
<li>Usage <code>[jclocksgmt digital=true]</code> Display digital clock</li>
</ul>
</li>
<li>analog
<ul>
<li>Usage <code>[jclocksgmt analog=true]</code> Display analog clock</li>
</ul>
</li>
<li>timeformat
<ul>
<li>Usage <code>[jclocksgmt timeformat='hh:mm A']</code> Time format</li>
</ul>
</li>
<li>date
<ul>
<li>Usage <code>[jclocksgmt date=false]</code> Display date</li>
</ul>
</li>
<li>dateformat
<ul>
<li>Usage <code>[jclocksgmt dateformat='MM/DD/YYYY']</code> Date format</li>
</ul>
</li>
<li>skin
<ul>
<li>Usage <code>[jclocksgmt skin=1]</code> Set 1 of 5 clock themes.</li>
</ul>
</li>
</ul>
A basic shortcode for a custom location would look like this: 
 [jclocksgmt title=’Houston, TX, USA’ offset=’-6′]
See more documentation in FAQ section.

jClocksGMT World Clocks

jQuery based analog and digital world clocks for Wordpress.

xandertan

A widget that can be easily set to display date and time of multiple timezones. 
The javascript function is taken from <a href="http://www.proglogic.com/code/javascript/time/worldclock.php" title="Visit Proglogic" rel="nofollow ugc">Proglogic</a> and is written by Stijn Strickx. 
The code is then modified to fit widget format.

World Clock Widget

Sidebar widget to easy customize and display your date and time of multiple timezones. All settings are available from Sidebar Widget Admin.

jClocksGMT World Clocks vs World Clock Widget