Need to knowBank Holiday weekend shop opening hours for Dunnes, Tesco, Aldi, Lidl and moreA handy guide ahead of the bankerShopping trolley (stock) (Image: Getty Images)Many Cork stores and supermarkets will be switching their opening hours this Bank Holiday. Below is a quick guide to supermarket opening hours over the Bank Holiday weekend. Tesco - Tesco opening hours across the country are expected to be normal on Friday, Saturday and Sunday, with the majority implementing their usual Sunday hours on the Bank Holiday. Tesco opening hours across the country are expected to be normal on Friday, Saturday and Sunday, with the majority implementing their usual Sunday hours on the Bank Holiday. Dunnes Stores - Dunnes Stores shops will be operating as normal on Friday, Saturday and Sunday.