Gellum.com

Venancio Cespedes West

<a href="https://gellum.com" rel="nofollow ugc">Gellum</a> Business Hours allows WooCommerce store owners to easily define their operating schedule for each day of the week. When the store is outside of these hours, the plugin can:
<ul>
<li>Disable checkout functionality, preventing orders from being placed.</li>
<li>Display a customizable notice (using WooCommerce’s native system) informing customers that the store is currently closed.</li>
<li>Inform customers of the next available date and time the store will be open.</li>
<li>Shortcode that allows you to easily add a store status notice to any page. [gellum_business_hours]</li>
</ul>
Features: 
* Set opening and closing times for each day of the week. 
* Time selection in 15-minute intervals using a 24-hour format. 
* Enable or disable specific days entirely. 
* User-friendly settings page integrated into the WooCommerce menu. 
* Automatic detection of store status based on current WordPress timezone settings. 
* Clear notifications for customers regarding store status and next opening time. 
* HPOS (High-Performance Order Storage) compatible. 
* Customizable admin interface with “Readex Pro” Google Font for a modern look. 
* Shortcode <code>[gellum_business_hours]</code> to display current store status on your website’s frontend.
<h3>Suggestions?</h3>
If you have suggestions for improving this plugin, such as fixing bugs or adding new features, please share them here: <a href="https://gellum.com/opensource" rel="nofollow ugc">https://gellum.com/opensource</a>

Gellum Business Hours for WooCommerce

Manage your WooCommerce store's business hours. Disable checkout and display notices when the store is closed, indicating the next opening time.

perschmitz

Responsive, highly visible contact call-to-action that sits on top of your website. Combining instant-contact buttons, vCard import, location, business hours, messaging and more. Easily add your HelloBox to your WordPress site with the official HelloBox for WordPress plugin.
<h4>Features</h4>
<ul>
<li>Personalize look & feel to suit your needs</li>
<li>People can easily download your contact details</li>
<li>Business hours, including open/closed indicator</li>
<li>Contact form</li>
<li>Location</li>
<li>Phone & mobile tap-to-call, Skype integration</li>
<li>Messenger intergration</li>
<li>Responsive design (optimized for mobile, tablet & desktop)</li>
<li>Call-to-action triggers (on scroll, on exit-intent, time-based)</li>
</ul>
The HelloBox for WordPress plugin is a really simple plugin that allows you to copy and paste your HelloBox code snippet from <a href="http://www.gethellobox.com/" rel="nofollow ugc">getHelloBox.com</a>, straight to your WordPress admin interface.
Requirements: PHP5+, WordPress 2.9.x+
Important Links:
<ul>
<li><a href="http://www.gethellobox.com/" rel="nofollow ugc">getHelloBox.com</a></li>
</ul>

HelloBox

Responsive, highly visible contact call-to-action. Combining instant-contact buttons, vCard import, location, business hours, messaging and more.

Gellum Business Hours for WooCommerce vs HelloBox