Ofcourse as the actiavation date count here But not the pass would be valid from 29th July till 28th August :)

I am planning a multi city trip to Europe.  Beginning in Paris (Sept. 16) to Venice (Sept. 18) to Florence (Sept. 20) to Rome (Oct.5) to Paris.  So when it says “4 travel days in 1 month” does that mean               1 calendar month or 30 days?  Because we will be traveling beginning in September and ending in October..

Thank you for your help

The pass will be valid for 30/31days :)

Means for example from 15th September to 14th October  :)

Thank you for your answer.  Now I can continue my planning.