Fixtures: Rothesay County Championship | Vitality Blast Men | Vitality Blast Women | Metro Bank One Day Cup Men | Metro Bank One Day Cup Women | Vitality T20 Women's County Cup
*denotes double-header with Vitality Blast Men's game
Thursday 29 May
*Middlesex v Sussex Sharks (Lord's) - League Two
Friday 30 May
*Hampshire Hawks v Essex (Utilita Bowl)
*Somerset v Surrey (Cooper Associates County Ground, Taunton)
*The Blaze v Bears (Trent Bridge)
Saturday 31 May
*Bears v Durham Cricket (Edgbaston)
Lancashire Thunder v The Blaze (Emirates Old Trafford)
Sunday 1 June
*Durham Cricket v Lancashire Thunder (Seat Unique Riverside)
*Essex v Somerset (Ambassador Cruise Line Ground, Chelmsford)
*Middlesex v Glamorgan (Merchant Taylors' School) - League Two
*Northamptonshire Steelbacks v Leicestershire Foxes (County Ground, Northampton) - League Two
*Sussex Sharks v Gloucestershire (1st Central County Ground, Hove) - League Two
Yorkshire v Derbyshire Falcons (Headingley) - League Two
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Wednesday 4 June
Essex v Bears (Ambassador Cruise Line Ground, Chelmsford)
*Lancashire Thunder v Hampshire Hawks (Emirates Old Trafford)
Thursday 5 June
*Surrey v Hampshire Hawks (Kia Oval)
Friday 6 June
*Bears v Somerset (Edgbaston)
*The Blaze v Essex (County Ground, Derby)
Saturday 7 June
Hampshire Hawks v Durham Cricket (Arundel)
Lancashire Thunder v Surrey (Emirates Old Trafford)
The Blaze v Somerset (Trent Bridge)
Sunday 8 June
*Bears v Lancashire Thunder (Edgbaston)
Surrey v Durham Cricket (Kia Oval)
Middlesex v Kent (Radlett) - League Two
*Sussex Sharks v Glamorgan (1st Central County Ground, Hove) - League Two
Worcestershire Rapids v Derbyshire Falcons (Visit Worcestershire New Road) - League Two
Worcestershire Rapids v Northamptonshire Steelbacks (Visit Worcestershire New Road) - League Two
*Yorkshire v Leicestershire Foxes (Headingley) - League Two
Wednesday 11 June
*Durham Cricket v Bears (Seat Unique Riverside)
Surrey v The Blaze (Kia Oval)
Thursday 12 June
*Essex v Hampshire Hawks (Ambassador Cruise Line Ground, Chelmsford)
Friday 13 June
Durham Cricket v The Blaze (Seat Unique Riverside)
Somerset v Lancashire Thunder (Cooper Associates County Ground, Taunton)
Sunday 15 June
Bears v Hampshire Hawks (Edgbaston)
Essex v Surrey (Ambassador Cruise Line Ground, Chelmsford)
*Somerset v Durham Cricket (Cooper Associates County Ground, Taunton)
Glamorgan v Middlesex (Colwyn Bay) - League Two
*Gloucestershire v Kent (Seat Unique Stadium,Bristol) - League Two
*Leicestershire Foxes v Worcestershire Rapids (Uptonsteel County Ground) - League Two
Northamptonshire Steelbacks v Derbyshire Falcons (County Ground, Northampton) - League Two
Tuesday 17 June
*Hampshire Hawks v Surrey (Utilita Bowl)
Wednesday 18 June
Bears v Essex (Edgbaston)
*Surrey v Lancashire Thunder (Kia Oval)
Thursday 19 June
*Somerset v Hampshire Hawks (Cooper Associates County Ground, Taunton)
*The Blaze v Lancashire Thunder (Uptonsteel County Ground)
Friday 20 June
*Bears v The Blaze (Edgbaston)
*Durham Cricket v Essex (Seat Unique Riverside)
Saturday 21 June
Derbyshire Falcons v Yorkshire (County Ground, Derby) - League Two
Sunday 22 June
Middlesex v Gloucestershire (Radlett) - League Two
Sussex Sharks v Kent (1st Central County Ground, Hove)
Friday 27 June
Glamorgan v Sussex Sharks (Newport CC) - League Two
Kent v Gloucestershire (Spitfire Ground, Canterbury) - League Two
Leicestershire Foxes v Northamptonshire Steelbacks (Uptonsteel County Ground) - League Two
Yorkshire v Worcestershire Rapids (Headingley) - League Two
Saturday 28 June
Derbyshire Falcons v Worcestershire Rapids (Chesterfield) - League Two
Sunday 29 June
Gloucestershire v Glamorgan (Seat Unique Stadium, Bristol) - League Two
Northamptonshire Steelbacks v Yorkshire (Peterborough CC) - League Two
Friday 4 July
*Durham Cricket v Somerset (Seat Unique Riverside)
The Blaze v Hampshire Hawks (Chesterfield)
Saturday 5 July
*Lancashire Thunder v Essex (Emirates Old Trafford)
*Sussex Sharks v Middlesex (1st Central County Ground, Hove) - League Two
Sunday 6 July
*Hampshire Hawks v Somerset (Utilita Bowl)
Lancashire Thunder v Bears (Emirates Old Trafford)
*Surrey v Essex (Kia Oval)
*The Blaze v Durham Cricket (Trent Bridge)
Kent v Glamorgan (Spitfire Ground, Canterbury) - League Two
Leicestershire Foxes v Derbyshire Falcons (Uptonsteel County Ground) - League Two
*Northamptonshire Steelbacks v Worcestershire Rapids (County Ground, Northampton) - League Two
Tuesday 8 July
*Somerset v Essex (Cooper Associates County Ground, Taunton)
Wednesday 9 July
*Bears v Surrey (Edgbaston)
Hampshire Hawks v Lancashire Thunder (Falkland)
Friday 11 July
Durham Cricket v Hampshire Hawks (Seat Unique Riverside)
Somerset v Bears (Cooper Associates County Ground, Taunton)
*The Blaze v Surrey (Trent Bridge)
Sunday 13 July
Essex v The Blaze (Ambassador Cruise Line Ground, Chelmsford)
*Hampshire Hawks v Bears (Utilita Bowl)
*Lancashire Thunder v Durham Cricket (Emirates Old Trafford)
*Surrey v Somerset (Kia Oval)
*Glamorgan v Gloucestershire (Sophia Gardens) - League Two
*Kent v Middlesex (Spitfire Ground, Canterbury) - League Two
*Worcestershire Rapids v Leicestershire Foxes (Visit Worcestershire New Road) - League Two
*Yorkshire v Northamptonshire Steelbacks (Headingley) - League Two
Tuesday 15 July
*Durham Cricket v Surrey (Seat Unique Riverside)
Wednesday 16 July
Essex v Lancashire Thunder (Ambassador Cruise Line Ground, Chelmsford)
Somerset v The Blaze (Cooper Associates County Ground, Taunton)
Thursday 17 July
*Gloucestershire v Sussex Sharks (Cheltenham College) - League Two
Friday 18 July
Essex v Durham Cricket (Ambassador Cruise Line Ground, Chelmsford)
Hampshire Hawks v The Blaze (Utilita Bowl)
Lancashire Thunder v Somerset (Blackpool)
Surrey v Bears (Kia Oval)
*Derbyshire Falcons v Northamptonshire Steelbacks (County Ground, Derby) - League Two
*Glamorgan v Kent (Sophia Gardens) - League Two
*Leicestershire Foxes v Yorkshire (Uptonsteel County Ground) - League Two
Sunday 20 July
Derbyshire Falcons v Leicestershire Foxes (Repton School) - League Two
Gloucestershire v Middlesex (Cheltenham College) - League Two
Kent v Sussex Sharks (Spitfire Ground, Canterbury) - League Two
Worcestershire Rapids v Yorkshire (Visit Worcestershire New Road) - League Two
Saturday 26 July
League Two semi-final 1
League Two semi-final 2
League Two final (all County Ground, Northampton)
Sunday 27 July
Vitality Blast women's competition semi-final
Vitality Blast women's competition final (Kia Oval)