The 2007 calendar was a good calendar but this is what I would have done if I was in charge for F1.
2007 F1 Calendar - My suggested Calendar:
8th April
Australian Grand Prix
15th April
Malaysian Grand Prix
29th April
Japanese Grand Prix
6th May
Chinese Grand Prix
20th May
Bahrain Grand Prix
27th May
Turkish Grand Prix
10th June
British Grand Prix
17th June
Spanish Grand Prix
1st July
French Grand Prix
8th July
Monaco Grand Prix
22nd July
Belgian Grand Prix
29th July
German Grand Prix
26th August
Hungarian Grand Prix
2nd September
Italian Grand Prix
16th September
Canadian Grand Prix
23rd September
United States Grand Prix
7th October
Brazilian Grand Prix