August 30 will feature eight matches, at Old Trafford, Northampton, Trent Bridge, Birmingham, Chelmsford, Cardiff, Taunton, and Hove.
The table-toppers of both North and South groups are involved on another day of T20 Blast action.
Two Vitality Blast 2019 fixtures are scheduled for August 24 at Uxbridge and Taunton – Middlesex vs Sussex and Somerset vs Glamorgan.
Eight fixtures are scheduled for August 16, at Old Trafford, Northampton, Trent Bridge, Taunton, Headingley, Chelmsford, Rose Bowl, and Canterbury.
August 14 will feature three Vitality Blast matches- Lancashire vs Northamptonshire, Essex vs Middlesex, and Kent vs Glamorgan.
Six matches will be played on August 11, at Chester-le-Street, Edgbaston, New Road, Cardiff, Radlett, and Headingley.
Sussex and Glamorgan will play the only match of the 2019 Vitality Blast on August 6, at County Ground, Hove.
Steve Smith’s dream return to Test cricket, the doubts he suffered in the past, and the round-ups from other cricketing action elsewhere.
There are eight matches of Vitality Blast 2019 scheduled for August 2.
As Middlesex and Kent battle for the top spot, Glamorgan will hope to push themselves off the bottom of the table.