francis_a

This plugin will add a container that includes your company’s (or anythings) business hours. You can style the plugins output using your themes style.css. The plugin includes different display options as well as the ability to use custom DIV ID’s.

Business Hours

This plugin will allow you to add business hours to your Wordpress page. The hours can be updated via the Wordpress CMS.

Radu Constantin

If you’re using WP Job Manager plugin and you want to add an opening hours field to your locations, this plugin will give you a helping hand.
A new field called Opening Hours is available for all of your listings. You can only display the schedule inside of a widget through Appearance → Widgets area.

WPJM Opening Hours

Using this plugin you'll have an opening hours field for your listings

Business Hours vs WPJM Opening Hours