Here are the May Bank Holiday 2015 opening times for Sainsbury’s Welwyn Garden City store and the shopping hours for the supermarket chain’s branches in Potters Bar, Hertford, Harpenden, St Albans and London Colney, Hertfordshire.

Welwyn Hatfield Times: Sainsbury'sSainsbury's (Image: Archant)

* Sainsbury’s Superstore, Church Road, Welwyn Garden City.

Opening hours

Sunday, May 3: 11am – 5pm.

Bank Holiday Monday, May 4: 9am – 7pm.

Tuesday, May 5: 7am – 11pm.

* Sainsbury’s Superstore, Sainsbury Centre, Darkes Lane, Potters Bar.

Opening times

Sunday, May 3: 10am – 4pm.

Bank Holiday Monday, May 4: 9am – 7pm.

Tuesday, May 5: 7am – 8pm.

* Sainsbury’s Superstore, Colney Fields Shopping Park, London Colney, St Albans.

Opening hours

Sunday, May 3: 11am – 5pm.

Bank Holiday Monday, May 4: 9am – 7pm.

Tuesday, May 5: 12am – 11.59pm.

* St Albans Sainsbury’s Superstore, Everard Close, St Albans.

Opening times

Sunday, May 3: 10am – 4pm.

Bank Holiday Monday, May 4: 9am – 7pm.

Tuesday, May 5: 7am – 10pm.

* Marshalswick Local, Marshalswick Lane, St Albans.

Opening hours

Sunday, May 3: 7am – 11pm.

Bank Holiday Monday, May 4: 7am – 11pm.

Tuesday, May 5: 7am – 11pm.

* Hertford Sainsbury’s Superstore, Hartham Lane, Hertford.

Opening times

Sunday, May 3: 10.30am – 4.30pm.

Bank Holiday Monday, May 4: 9am – 7pm.

Tuesday, May 5: 7am – 10pm.

* Harpenden Sainsbury’s Superstore, High Street, Harpenden.

Opening times

Sunday, May 3: 10am – 4pm.

Bank Holiday Monday, May 4: 9am – 7pm.

Tuesday, May 5: 7am – 9pm.

* For other Sainsbury’s across the country, visit the Sainsbury’s store locator.