April
20-23
Durham v Gloucestershire Chester-le-Street
Middlesex v Worcestershire Lord's
Warwickshire v Hampshire Birmingham
25-28
Derbyshire v Middlesex Derby
Nottinghamshire v Durham Nottingham
Worcestershire v Sussex Worcester
May
9-12
Gloucestershire v Middlesex Bristol
Hampshire v Worcestershire West End, Southampton
Sussex v Nottinghamshire Hove
Warwickshire v Durham Birmingham
16-19
Durham v Middlesex Chester-le-Street
Hampshire v Gloucestershire West End, Southampton
Nottinghamshire v Warwickshire Nottingham
Worcestershire v Derbyshire Worcester
25-28
Derbyshire v Hampshire Derby
Gloucestershire v Worcestershire Bristol
Middlesex v Nottinghamshire Lord's
Sussex v Warwickshire Hove
30 May-2 Jun
Durham v Nottinghamshire Chester-le-Street
Hampshire v Sussex West End, Southampton
Middlesex v Derbyshire Southgate
31 May-3 Jun
Warwickshire v Gloucestershire Birmingham
June
6-9
Derbyshire v Durham Derby
Nottinghamshire v Gloucestershire Nottingham
Sussex v Worcestershire Horsham
13-16
Gloucestershire v Durham Gloucester
Middlesex v Hampshire Southgate
Sussex v Derbyshire Arundel
Worcestershire v Warwickshire Worcester
20-23
Derbyshire v Gloucestershire Derby
Hampshire v Durham West End, Southampton
Nottinghamshire v Sussex Nottingham
Warwickshire v Middlesex Birmingham
29 Jun-2 Jul
Durham v Warwickshire Chester-le-Street
Hampshire v Derbyshire West End, Southampton
Middlesex v Sussex Lord's
Worcestershire v Nottinghamshire Worcester
July
4-7
Gloucestershire v Warwickshire Bristol
Nottinghamshire v Middlesex Nottingham
5-8
Derbyshire v Worcestershire Derby
6-9
Sussex v Hampshire Hove
18-21
Durham v Sussex Chester-le-Street
Hampshire v Nottinghamshire West End, Southampton
Warwickshire v Derbyshire Birmingham
20-23
Worcestershire v Gloucestershire Worcester
27-31
Derbyshire v Nottinghamshire Derby
Gloucestershire v Sussex Cheltenham
Middlesex v Durham Lord's
August
1-4
Gloucestershire v Hampshire Cheltenham
2-5
Sussex v Middlesex Hove
Worcestershire v Durham Kidderminster
3-6
Warwickshire v Nottinghamshire Birmingham
7-10
Hampshire v Warwickshire West End, Southampton
8-11
Durham v Derbyshire Chester-le-Street
Middlesex v Gloucestershire Lord's
Nottinghamshire v Worcestershire Nottingham
15-18
Derbyshire v Sussex Derby
Gloucestershire v Nottinghamshire Bristol
Warwickshire v Worcestershire Birmingham
17-20
Durham v Hampshire Chester-le-Street
22-25
Middlesex v Warwickshire Lord's
Nottinghamshire v Derbyshire Nottingham
Sussex v Durham Hove
Worcestershire v Hampshire Worcester
September
5-8
Durham v Worcestershire Chester-le-Street
Gloucestershire v Derbyshire Bristol
Hampshire v Middlesex West End, Southampton
7-10
Warwickshire v Sussex Birmingham
12-15
Derbyshire v Warwickshire Derby
Nottinghamshire v Hampshire Nottingham
Sussex v Gloucestershire Hove
Worcestershire v Middlesex Worcester