NUMMIT

TintCal is a new kind of event calendar plugin designed for Japanese website creators and administrators. 
It eliminates the complexity and confusion often found in plugins made overseas, responding to the simple need of “just wanting to place an event calendar” with the best usability and a beautiful design.
= Key Features =
<ul>
<li>Easy Event Registration: Anyone can intuitively register and edit events from the WordPress admin screen.</li>
<li>Shortcode/Block Support: Place a calendar anywhere just by adding the <code>[tintcal id="..."]</code> shortcode or a dedicated block in the editor.</li>
<li>Responsive Design: The calendar displays beautifully without breaking its layout on smartphones or tablets.</li>
<li>Simple Settings: Basic customizations, such as the calendar header and weekend colors, can be easily configured.</li>
<li>Holiday Display: Automatically displays Japanese public holidays on the calendar.</li>
<li>Simple Category Management: You can register one type of schedule as a category and color-code the calendar.</li>
</ul>

TintCal

A beautiful and simple event calendar plugin for Japanese users. Add a calendar to any site with a shortcode, block, or widget.

Gary Kovar

Assuming you have set the hours of your business with google places you can include them as a widget within your site. So, if you change your hours, change them with google and they will change on the widget as well.

Business-things

This adds a widget to your site that displays the hours of the business and whether it is currently open.

TintCal vs Business-things