NHS-dedicated shopping times

Tesco NHS an hour ahead of normal opening times every Sunday

Sainsbury’s NHS and social care workers 7.30am to 8am Monday to Saturday

Asda NHS priority in larger stores 8am to 9am Monday, Wednesday and Friday

Morrisons NHS 7am to 8am, every day except Sundays

M&S NHS exclusive access first trading hour Tuesday and Friday

Aldi NHS, police and fire service 9.30am and 10am on Sundays 8.30am and 9am in Scotland

Source https://news.sky.com/story/coronavirus-when-are-supermarkets-open-just-for-nhs-staff-and-elderly-customers-11962361