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.

jEbbS

World Clock Dropdown is a shortcode plugin to have a timezone dropdown on right side of the section with respective local digital clock, with hours, minutes and seconds showing on left side of the section.
<h3>Features</h3>
<ul>
<li>600+ timezones listed.</li>
<li>No bootstrap required to load the plugin.</li>
<li>Stay tuned for exciting updates and features..!!</li>
</ul>
<h3>How to Use</h3>
<ul>
<li>use shortcode [j-world-clock] anywhere in your website to display the digital clock.</li>
</ul>

World Clock Dropdown with ShortCodes

A shortcode plugin to display timezone dropdown with digital clock(local time), with hours, minutes & seconds.

jClocksGMT World Clocks vs World Clock Dropdown with ShortCodes