The following is from the FIM…
The Grand Prix of San Marino & Riviera di Rimini will be held a week earlier, on September 6 (instead of 13). The 2009 provisional calendar of the FIM Road Racing World Championship Grand Prix is the following:
April 12 * Qatar Doha/Losail
April 26 Japan Motegi
May 3 Spain Jerez de la Frontera
May 17 France Le Mans
May 31 Italy Mugello
June 14 Catalunya Catalunya
June 27 ** Netherlands Assen
July 5 *** United States Laguna Seca
July 19 Germany Sachsenring
July 26 Great Britain Donington Park
August 16 Czech Republic Brno
August 30 Indianapolis Indianapolis
September 6 San Marino & Riviera di Rimini Misano
September 20 Hungary Lake Balaton
October 4 Portugal Estoril
October 18 Australia Phillip Island
October 25 Malaysia Sepang
November 8 Valencia Ricardo Tormo Valencia
*: Evening race
**: Saturday
***: Only MotoGP class