If you fancy doing some shopping on Boxing Day then its looks like you might in luck this year as a record number of supermarkets will be open. More than 300 large supermarkets are due to open this Boxing Day  compared with only a handful two years ago. Both Tesco and Sainsbury’s are doubling the amount of stores that will open in response to customer demand. Tesco will open 252 stores and Sainsbury will open 94. Supermarkets will also open later on Christmas Eve with some stores being open until 10pm meaning some stores will be closed for less than 24 hours over the Christmas period.