The 1986 calendar was a good calendar but this is what I would have done if I was in charge for F1.
15th June
Portuguese Grand Prix
22nd June
Spanish Grand Prix
6th July
French Grand Prix
13th July
Monaco Grand Prix
27th July
Belgian Grand Prix
3rd August
German Grand Prix
17th August
Austrian Grand Prix
24th August
Hungarian Grand Prix
7th September
Italian Grand Prix
14th September
British Grand Prix
28th September
Canadian Grand Prix
5th October
Detroit Grand Prix
19th October
Mexican Grand Prix
2nd November
Brazilian Grand Prix
16th November
Australian Grand Prix