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.

pekaby

Seasonal Content is a lightweight and flexible addon for Elementor that allows you to automatically change content based on custom seasonal categories with specific dates.
Whether it’s winter sales, summer greetings, or national holidays — this plugin helps you display the right content at the right time. 
Ideal for shops, landing pages, and promotional content that changes throughout the year — without needing to manually update your site.
This plugin repeats the content cycle every year, so you can “set it and forget it” for recurring events like New Year, Black Friday, Summer Sales, etc.
All content is handled via Elementor interface — no custom post types, no shortcodes, no clutter.
<h3>Features</h3>
<ul>
<li>Custom seasonal categories with start/end dates</li>
<li>Change content inside Elementor widgets (text, heading, background)</li>
<li>Automatically switches when date changes</li>
<li>Seasonal categories repeat every year automatically</li>
<li>Lightweight and SEO-friendly</li>
</ul>
<h3>Planned Features</h3>
<ul>
<li>Support for more Elementor widgets.</li>
<li>Plugin settings: change the cron schedule for date checks and add different content update processes.</li>
<li>Option to create non-repeating content cycles (one-time content for specific dates).</li>
<li>Export/import seasonal categories.</li>
</ul>
<h3>Credits</h3>
Created by Mikhail 
More info: <a href="https://seasonalcontent.com" rel="nofollow ugc">https://seasonalcontent.com</a> 
Telegram channel: <a href="https://t.me/seasonalcontent" rel="nofollow ugc">https://t.me/seasonalcontent</a> 
GitHub: <a href="https://github.com/Pekaby/seasonal-content" rel="nofollow ugc">https://github.com/Pekaby/seasonal-content</a>

Seasonal Content — Automate your Elementor content by season categories

Seasonal Content is a flexible Elementor addon that keeps your content fresh and in season — all year round.

BNS Body Classes vs Seasonal Content — Automate your Elementor content by season categories