>it just shows me: from 10:00 to 22:30 without a break !!
as it says in the help screen actually
“Note: if you set anything here, it will not be reflected when displaying openingtimes via shortcode or in the widget, so you might want to display your openingtimes manually somewhere. It DOES, however close the shoppingcart, the ability to order etc as required)”
regarding some sort of countdown widget:
sorry, but I don’t think I will spend any time on this (not now or in the near future anyway) as there are other things I consider to have a way higher priority and usefulness