The 1973 calendar was a good calendar but this is what I would have done if I was in charge for F1.
3rd June
Swedish Grand Prix
17th June
British Grand Prix
24th June
Spanish Grand Prix
8th July
Monaco Grand Prix
15th July
French Grand Prix
29th July
Belgian Grand Prix
5th August
Dutch Grand Prix
19th August
German Grand Prix
26th August
Austrian Grand Prix
9th September
Italian Grand Prix
23rd September
Canadian Grand Prix
30th September
United States Grand Prix
14th October
Brazilian Grand Prix
21st October
Argentine Grand Prix
4th November
South African Grand Prix