It is the first of five four-day games played before the end of April with the halfway point of the first class season reached as early as June 1.

The first home game is the four-day clash with Somerset which starts on April 15 while Yorkshire entertain champions Durham on April 27.

The Headingley Carnegie Roses clash begins on May 29, with the return at Old Trafford starting on June 28.

The revamped Twenty20 competition, known in 2010 as the Friends Provident T20 and consisting of eight home and eight away matches in the group stage, dominates June and the first half of July.

Teams in the old Northern Division are joined by Northamptonshire, Warwickshire and Worcestershire for this season's competition and Yorkshire Carnegie kick off their T20 campaign with the visit of Derbyshire Falcons on June 3.

The quarter-finals take place over on July 26 and 27 with the Finals Day at the Rose Bowl on Saturday August 14.

August's Scarborough Festival week includes the 40-over match against Middlesex Panthers on August 22 and is completed by the Monday to Thursday Championship match against Hampshire.

The revised three-division 40-over competition begins against Essex Eagles at Chelmsford before the home opener against Northampton Steelbacks at Scarborough on May 2.

The 40-over league reaches its conclusion on September 4 at Headingley Carnegie against Essex Eagles after which Yorkshire Carnegie will know whether they have qualified.

The semi-finals of the competition are on September 11 with the final at Lord's seven days later - the final match of the 2010 domestic season.

Yorkshire will entertain India A at Headingley Carnegie from July 11 to 13 and there are also two international matches at the stadium.

The neutral Test between Pakistan and Australia starts on July 21 while England play Pakistan in a One-Day International on September 12.

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