by Wombat Plugins on WordPress.org
Display opening hours and if you're currently open/closed, with countdown to next opening. Show or hide content only when open/closed & more!

Various examples of what this plugin can do.
Check out a complete list of features below.
The free version has some limitations you should be aware of. Our pro version (features below) fixes those.
Use the plugin anywhere in WordPress by using the following calls:
MBHILITE()->is_open('location name') returns true if the location is currently open. False otherwise.MBHILITE()->is_closed('location name') returns true if the location is currently closed. False otherwise.MBHILITE()->get_opening_hours('location name') returns an array of objects containing the location’s opening hours.MBHILITE()->get_specials('location name') returns an array of objects containing the location’s special opening hours.MBHILITE()->get_vacations('location name') returns an array of objects containing the location’s vacations.More documentation coming soon.
Find out more about the pro version here