Antonio D.

Daniil Zhitnitskii

This plugin provides network administrators ability to set same time zone over all blogs in multisite installation in one click, and also it restricts changes of timezone from local blogs settings.
*Based on: https://premium.wpmudev.org/forums/topic/set-default-timezone-for-new-blogs-in-the-network
Only works with multisite installation!
Gutenberg: compatible!
<h3>Disclaimers</h3>
The Simple default timezone plugin is supplied “as is” and all use is at your own risk.

Simple default timezone

As Super Administrator, you can set the (default) timezone for all blogs.

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.

Simple default timezone vs jClocksGMT World Clocks