kizinko

Change your logo on a schedule by saving different versions for holidays and special events. Set the dates and this plugin will replace your regular logo with your special holiday or event logo on the scheduled dates you select.
<h3>Plugin Features</h3>
<ul>
<li>Set up multiple logos on different schedules in the plugin settings.</li>
<li>Automatically identifies where the logo loads on your site and replaces it for almost all themes.</li>
<li>You can manually set the div surrounding your logo if our plugin doesn’t identify the right one initially (use the Logo Container ID field).</li>
<li>Enable the Repeat Yearly option for recurring events like holidays.</li>
<li>Set the start and end dates/times for each of your logo variations.</li>
</ul>
This plugin was developed by <a href="https://allmywebneeds.com/" rel="nofollow ugc">All My Web Needs</a> to make it easier to impress your website visitors with customized logos for every special occassion. If you need help designing logos for each holiday or event, feel free to visit <a href="https://allmywebneeds.com/contact" rel="nofollow ugc">allmywebneeds.com</a> to request logo and/or web design services.

Logo Scheduler – Great for holidays, events, and more

Change your logo on a schedule by saving different versions for holidays and special events. Set the dates and this plugin will switch them out.

Edward Caissie

Simple plugin that adds classes to the <code>body_class</code> output upon activation, including: a full list of date related classes; a few holiday classes; and, a generic sample full calendar extension.
<h4>Copyright 2012-2015 Edward Caissie (email : edward.caissie@gmail.com)</h4>
This program is free software; you can redistribute it and/or modify 
 it under the terms of the GNU General Public License version 2, 
 as published by the Free Software Foundation.
You may NOT assume that you can use any other version of the GPL.
This program is distributed in the hope that it will be useful, 
 but WITHOUT ANY WARRANTY; without even the implied warranty of 
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 
 GNU General Public License for more details.
You should have received a copy of the GNU General Public License 
 along with this program; if not, write to the Free Software 
 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
The license for this software can also likely be found here: 
 http://www.gnu.org/licenses/gpl-2.0.html

BNS Body Classes

Simple plugin that adds classes to the body_class output upon activation, including a range of date related classes.

Logo Scheduler – Great for holidays, events, and more vs BNS Body Classes